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CVE-2026-70159ImportantDoSNetworkRevised 15 Oct

ASP.NET Core Denial of Service Vulnerability

MSRC advisory NVD CVE.org

Assessment

Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.

Severity
Important
CVSS base score
7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Impact
Denial of Service
EPSS · 30-day forecast
1.2%FIRST forecast dated 7 Nov 2026, for the following 30 days · FIRST percentile 69.1% · about EPSS
Public detection template
No Nuclei template is listed in the current collected catalog
Exploitation detected
No known exploitation (MSRC assessment)
Exploitability
Exploitation Less Likely
Publicly disclosed
No (MSRC assessment)
Customer action
Required: follow the MSRC remediation guidance
Component
ASP.NET Core
Weakness
CWE-770: Allocation of Resources Without Limits or Throttling
Issued by
Microsoft
Published
13 Oct 2026 · October 2026
Last revised
15 Oct 2026Updated the Security Updates table to add KB article links for .NET 11.0 and download and KB article links for Microsoft Visual Studio. This is an informational change only; the fixed builds are unchanged.
CVSS 3.1 base metricsRed raises the risk · green lowers it
Attack vector
NetworkAV:N
Attack complexity
LowAC:L
Privileges required
NonePR:N
User interaction
NoneUI:N
Scope
UnchangedS:U
Confidentiality
NoneC:N
Integrity
NoneI:N
Availability
HighA:H

Updates that fix it

0 KBs

No KB listed

No KB update is listed in the collected MSRC record. Check the MSRC advisory for product releases and other remedies.

Affected products

Developer Tools, Other
26 affected products
  • Microsoft Visual Studio 2022 version 17.14
  • Microsoft Visual Studio 2026 version 18.10
  • Microsoft.AspNetCore.SignalR.Common on .NET 10.0 runtime installed on Linux
  • Microsoft.AspNetCore.SignalR.Common on .NET 10.0 runtime installed on Mac OS
  • Microsoft.AspNetCore.SignalR.Common on .NET 10.0 runtime installed on Windows
  • Microsoft.AspNetCore.SignalR.Common on .NET 11.0 runtime installed on Linux
  • Microsoft.AspNetCore.SignalR.Common on .NET 11.0 runtime installed on Mac OS
  • Microsoft.AspNetCore.SignalR.Common on .NET 11.0 runtime installed on Windows
  • Microsoft.AspNetCore.SignalR.Common on .NET 8.0 runtime installed on Linux
  • Microsoft.AspNetCore.SignalR.Common on .NET 8.0 runtime installed on Mac OS
  • Microsoft.AspNetCore.SignalR.Common on .NET 8.0 runtime installed on Windows
  • Microsoft.AspNetCore.SignalR.Common on .NET 9.0 runtime installed on Linux
  • Microsoft.AspNetCore.SignalR.Common on .NET 9.0 runtime installed on Mac OS
  • Microsoft.AspNetCore.SignalR.Common on .NET 9.0 runtime installed on Windows
  • Microsoft.AspNetCore.SignalR.Core on .NET 10.0 runtime installed on Linux
  • Microsoft.AspNetCore.SignalR.Core on .NET 10.0 runtime installed on Mac OS
  • Microsoft.AspNetCore.SignalR.Core on .NET 10.0 runtime installed on Windows
  • Microsoft.AspNetCore.SignalR.Core on .NET 11.0 runtime installed on Linux
  • Microsoft.AspNetCore.SignalR.Core on .NET 11.0 runtime installed on Mac OS
  • Microsoft.AspNetCore.SignalR.Core on .NET 11.0 runtime installed on Windows
  • Microsoft.AspNetCore.SignalR.Core on .NET 8.0 runtime installed on Linux
  • Microsoft.AspNetCore.SignalR.Core on .NET 8.0 runtime installed on Mac OS
  • Microsoft.AspNetCore.SignalR.Core on .NET 8.0 runtime installed on Windows
  • Microsoft.AspNetCore.SignalR.Core on .NET 9.0 runtime installed on Linux
  • Microsoft.AspNetCore.SignalR.Core on .NET 9.0 runtime installed on Mac OS
  • Microsoft.AspNetCore.SignalR.Core on .NET 9.0 runtime installed on Windows

What changed

  1. Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  2. Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  3. Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  4. Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  5. Detection template: No Nuclei template listed · Customer action: Required: apply the update → Required: follow the MSRC remediation guidance · Public disclosure: No → No (MSRC assessment) · Exploitation detected: Not reported by MSRC → No known exploitation (MSRC assessment)
  6. Detection template: Unknown: exploit-code evidence is incomplete or retained → No Nuclei template listed · CISA KEV: Unknown: catalog evidence is incomplete or retained → Not listed in the collected catalog
  7. Detection template: No Nuclei template listed → Unknown: exploit-code evidence is incomplete or retained · CISA KEV: Not listed in the collected catalog → Unknown: catalog evidence is incomplete or retained
  8. Affected products: Microsoft Visual Studio 2022 version 17.14, Microsoft Visual Studio 2026 version 18.10, Microsoft.AspNetCore.SignalR.Common on .NET 10.0 installed on Linux, Microsoft.AspNetCore.SignalR.Common on .NET 10.0 installed on Mac OS, Microsoft.AspNetCore.SignalR.Common on .NET 10.0 installed on Windows, Microsoft.AspNetCore.SignalR.Common on .NET 11.0 installed on Linux, Microsoft.AspNetCore.SignalR.Common on .NET 11.0 installed on Mac OS, Microsoft.AspNetCore.SignalR.Common on .NET 11.0 installed on Windows, Microsoft.AspNetCore.SignalR.Common on .NET 8.0 installed on Linux, Microsoft.AspNetCore.SignalR.Common on .NET 8.0 installed on Mac OS, Microsoft.AspNetCore.SignalR.Common on .NET 8.0 installed on Windows, Microsoft.AspNetCore.SignalR.Common on .NET 9.0 installed on Linux, Microsoft.AspNetCore.SignalR.Common on .NET 9.0 installed on Mac OS, Microsoft.AspNetCore.SignalR.Common on .NET 9.0 installed on Windows, Microsoft.AspNetCore.SignalR.Core on .NET 10.0 installed on Linux, Microsoft.AspNetCore.SignalR.Core on .NET 10.0 installed on Mac OS, Microsoft.AspNetCore.SignalR.Core on .NET 10.0 installed on Windows, Microsoft.AspNetCore.SignalR.Core on .NET 11.0 installed on Linux, Microsoft.AspNetCore.SignalR.Core on .NET 11.0 installed on Mac OS, Microsoft.AspNetCore.SignalR.Core on .NET 11.0 installed on Windows, Microsoft.AspNetCore.SignalR.Core on .NET 8.0 installed on Linux, Microsoft.AspNetCore.SignalR.Core on .NET 8.0 installed on Mac OS, Microsoft.AspNetCore.SignalR.Core on .NET 8.0 installed on Windows, Microsoft.AspNetCore.SignalR.Core on .NET 9.0 installed on Linux, Microsoft.AspNetCore.SignalR.Core on .NET 9.0 installed on Mac OS, Microsoft.AspNetCore.SignalR.Core on .NET 9.0 installed on Windows → Microsoft Visual Studio 2022 version 17.14, Microsoft Visual Studio 2026 version 18.10, Microsoft.AspNetCore.SignalR.Common on .NET 10.0 runtime installed on Linux, Microsoft.AspNetCore.SignalR.Common on .NET 10.0 runtime installed on Mac OS, Microsoft.AspNetCore.SignalR.Common on .NET 10.0 runtime installed on Windows, Microsoft.AspNetCore.SignalR.Common on .NET 11.0 runtime installed on Linux, Microsoft.AspNetCore.SignalR.Common on .NET 11.0 runtime installed on Mac OS, Microsoft.AspNetCore.SignalR.Common on .NET 11.0 runtime installed on Windows, Microsoft.AspNetCore.SignalR.Common on .NET 8.0 runtime installed on Linux, Microsoft.AspNetCore.SignalR.Common on .NET 8.0 runtime installed on Mac OS, Microsoft.AspNetCore.SignalR.Common on .NET 8.0 runtime installed on Windows, Microsoft.AspNetCore.SignalR.Common on .NET 9.0 runtime installed on Linux, Microsoft.AspNetCore.SignalR.Common on .NET 9.0 runtime installed on Mac OS, Microsoft.AspNetCore.SignalR.Common on .NET 9.0 runtime installed on Windows, Microsoft.AspNetCore.SignalR.Core on .NET 10.0 runtime installed on Linux, Microsoft.AspNetCore.SignalR.Core on .NET 10.0 runtime installed on Mac OS, Microsoft.AspNetCore.SignalR.Core on .NET 10.0 runtime installed on Windows, Microsoft.AspNetCore.SignalR.Core on .NET 11.0 runtime installed on Linux, Microsoft.AspNetCore.SignalR.Core on .NET 11.0 runtime installed on Mac OS, Microsoft.AspNetCore.SignalR.Core on .NET 11.0 runtime installed on Windows, Microsoft.AspNetCore.SignalR.Core on .NET 8.0 runtime installed on Linux, Microsoft.AspNetCore.SignalR.Core on .NET 8.0 runtime installed on Mac OS, Microsoft.AspNetCore.SignalR.Core on .NET 8.0 runtime installed on Windows, Microsoft.AspNetCore.SignalR.Core on .NET 9.0 runtime installed on Linux, Microsoft.AspNetCore.SignalR.Core on .NET 9.0 runtime installed on Mac OS, Microsoft.AspNetCore.SignalR.Core on .NET 9.0 runtime installed on Windows
  9. Publisher revision note: Information published. → Updated the Security Updates table to add KB article links for .NET 11.0 and download and KB article links for Microsoft Visual Studio. This is an informational change only; the fixed builds are unchanged.
Page history

Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.

Cite this version
Field-level log (60)

Up to 100 recent field edits are shown; older edits may be outside retention.

  1. 7 Nov 2026 · 16:12:44 UTC EPSS1.2%; scored 6 Nov 2026 → 1.2%; scored 7 Nov 2026
  2. 6 Nov 2026 · 19:15:37 UTC EPSS1.2%; scored 5 Nov 2026 → 1.2%; scored 6 Nov 2026
  3. 6 Nov 2026 · 17:32:22 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  4. 6 Nov 2026 · 17:32:22 UTC Source coverage: public-exploit-codeIncomplete → Current
  5. 6 Nov 2026 · 17:32:22 UTC Source coverage: first-epssIncomplete → Current
  6. 6 Nov 2026 · 17:32:22 UTC Source coverage: msrc-cvrfIncomplete → Current
  7. 6 Nov 2026 · 16:31:02 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  8. 6 Nov 2026 · 16:31:02 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  9. 6 Nov 2026 · 16:31:02 UTC Source coverage: first-epssCurrent → Incomplete
  10. 6 Nov 2026 · 16:31:02 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  11. 5 Nov 2026 · 23:42:03 UTC EPSS1.2%; scored 4 Nov 2026 → 1.2%; scored 5 Nov 2026
  12. 5 Nov 2026 · 02:36:20 UTC EPSS1.2%; scored 3 Nov 2026 → 1.2%; scored 4 Nov 2026
  13. 4 Nov 2026 · 03:04:37 UTC EPSS1.2%; scored 2 Nov 2026 → 1.2%; scored 3 Nov 2026
  14. 3 Nov 2026 · 01:53:36 UTC EPSS1.2%; scored 1 Nov 2026 → 1.2%; scored 2 Nov 2026
  15. 2 Nov 2026 · 17:30:39 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  16. 2 Nov 2026 · 17:30:39 UTC Source coverage: public-exploit-codeIncomplete → Current
  17. 2 Nov 2026 · 17:30:39 UTC Source coverage: first-epssIncomplete → Current
  18. 2 Nov 2026 · 17:30:39 UTC Source coverage: msrc-cvrfIncomplete → Current
  19. 2 Nov 2026 · 16:27:39 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  20. 2 Nov 2026 · 16:27:39 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  21. 2 Nov 2026 · 16:27:39 UTC Source coverage: first-epssCurrent → Incomplete
  22. 2 Nov 2026 · 16:27:39 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  23. 2 Nov 2026 · 00:36:51 UTC EPSS1.2%; scored 31 Oct 2026 → 1.2%; scored 1 Nov 2026
  24. 31 Oct 2026 · 18:22:15 UTC EPSS1.2%; scored 30 Oct 2026 → 1.2%; scored 31 Oct 2026
  25. 30 Oct 2026 · 18:02:45 UTC EPSS1.2%; scored 29 Oct 2026 → 1.2%; scored 30 Oct 2026
  26. 29 Oct 2026 · 20:19:26 UTC Public detection templateNo Nuclei template listed
  27. 29 Oct 2026 · 20:19:26 UTC Customer actionRequired: apply the update → Required: follow the MSRC remediation guidance
  28. 29 Oct 2026 · 20:19:26 UTC Publicly disclosedNo → No (MSRC assessment)
  29. 29 Oct 2026 · 20:19:26 UTC Exploitation detectedNot reported by MSRC → No known exploitation (MSRC assessment)
  30. 29 Oct 2026 · 18:33:30 UTC EPSS1.2%; scored 28 Oct 2026 → 1.2%; scored 29 Oct 2026
  31. 28 Oct 2026 · 20:00:33 UTC EPSS1.2%; scored 27 Oct 2026 → 1.2%; scored 28 Oct 2026
  32. 27 Oct 2026 · 15:48:13 UTC EPSS1.2%; scored 26 Oct 2026 → 1.2%; scored 27 Oct 2026
  33. 26 Oct 2026 · 23:57:09 UTC EPSS1.2%; scored 25 Oct 2026 → 1.2%; scored 26 Oct 2026
  34. 25 Oct 2026 · 17:12:51 UTC EPSS1.1%; scored 24 Oct 2026 → 1.2%; scored 25 Oct 2026
  35. 25 Oct 2026 · 01:34:18 UTC EPSS1.1%; scored 23 Oct 2026 → 1.1%; scored 24 Oct 2026
  36. 23 Oct 2026 · 15:51:28 UTC EPSS1.1%; scored 22 Oct 2026 → 1.1%; scored 23 Oct 2026
  37. 23 Oct 2026 · 09:33:49 UTC Public exploit codeUnknown: exploit-code evidence is incomplete or retained → No Nuclei template listed
  38. 23 Oct 2026 · 09:33:49 UTC CISA KEVUnknown: catalog evidence is incomplete or retained → Not listed in the collected catalog
  39. 23 Oct 2026 · 09:33:49 UTC Source coverage: public-exploit-codeIncomplete → Current
  40. 23 Oct 2026 · 09:33:49 UTC Source coverage: first-epssIncomplete → Current
  41. 23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
  42. 23 Oct 2026 · 09:33:49 UTC Source coverage: msrc-cvrfIncomplete → Current
  43. 23 Oct 2026 · 08:31:50 UTC Public exploit codeNo Nuclei template listed → Unknown: exploit-code evidence is incomplete or retained
  44. 23 Oct 2026 · 08:31:50 UTC CISA KEVNot listed in the collected catalog → Unknown: catalog evidence is incomplete or retained
  45. 23 Oct 2026 · 08:31:50 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  46. 23 Oct 2026 · 08:31:50 UTC Source coverage: first-epssCurrent → Incomplete
  47. 23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete
  48. 23 Oct 2026 · 08:31:50 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  49. 22 Oct 2026 · 22:02:57 UTC Affected productsMicrosoft Visual Studio 2022 version 17.14, Microsoft Visual Studio 2026 version 18.10, Microsoft.AspNetCore.SignalR.Common on .NET 10.0 installed on Linux, Microsoft.AspNetCore.SignalR.Common on .NET 10.0 installed on Mac OS, Microsoft.AspNetCore.SignalR.Common on .NET 10.0 installed on Windows, Microsoft.AspNetCore.SignalR.Common on .NET 11.0 installed on Linux, Microsoft.AspNetCore.SignalR.Common on .NET 11.0 installed on Mac OS, Microsoft.AspNetCore.SignalR.Common on .NET 11.0 installed on Windows, Microsoft.AspNetCore.SignalR.Common on .NET 8.0 installed on Linux, Microsoft.AspNetCore.SignalR.Common on .NET 8.0 installed on Mac OS, Microsoft.AspNetCore.SignalR.Common on .NET 8.0 installed on Windows, Microsoft.AspNetCore.SignalR.Common on .NET 9.0 installed on Linux, Microsoft.AspNetCore.SignalR.Common on .NET 9.0 installed on Mac OS, Microsoft.AspNetCore.SignalR.Common on .NET 9.0 installed on Windows, Microsoft.AspNetCore.SignalR.Core on .NET 10.0 installed on Linux, Microsoft.AspNetCore.SignalR.Core on .NET 10.0 installed on Mac OS, Microsoft.AspNetCore.SignalR.Core on .NET 10.0 installed on Windows, Microsoft.AspNetCore.SignalR.Core on .NET 11.0 installed on Linux, Microsoft.AspNetCore.SignalR.Core on .NET 11.0 installed on Mac OS, Microsoft.AspNetCore.SignalR.Core on .NET 11.0 installed on Windows, Microsoft.AspNetCore.SignalR.Core on .NET 8.0 installed on Linux, Microsoft.AspNetCore.SignalR.Core on .NET 8.0 installed on Mac OS, Microsoft.AspNetCore.SignalR.Core on .NET 8.0 installed on Windows, Microsoft.AspNetCore.SignalR.Core on .NET 9.0 installed on Linux, Microsoft.AspNetCore.SignalR.Core on .NET 9.0 installed on Mac OS, Microsoft.AspNetCore.SignalR.Core on .NET 9.0 installed on Windows → Microsoft Visual Studio 2022 version 17.14, Microsoft Visual Studio 2026 version 18.10, Microsoft.AspNetCore.SignalR.Common on .NET 10.0 runtime installed on Linux, Microsoft.AspNetCore.SignalR.Common on .NET 10.0 runtime installed on Mac OS, Microsoft.AspNetCore.SignalR.Common on .NET 10.0 runtime installed on Windows, Microsoft.AspNetCore.SignalR.Common on .NET 11.0 runtime installed on Linux, Microsoft.AspNetCore.SignalR.Common on .NET 11.0 runtime installed on Mac OS, Microsoft.AspNetCore.SignalR.Common on .NET 11.0 runtime installed on Windows, Microsoft.AspNetCore.SignalR.Common on .NET 8.0 runtime installed on Linux, Microsoft.AspNetCore.SignalR.Common on .NET 8.0 runtime installed on Mac OS, Microsoft.AspNetCore.SignalR.Common on .NET 8.0 runtime installed on Windows, Microsoft.AspNetCore.SignalR.Common on .NET 9.0 runtime installed on Linux, Microsoft.AspNetCore.SignalR.Common on .NET 9.0 runtime installed on Mac OS, Microsoft.AspNetCore.SignalR.Common on .NET 9.0 runtime installed on Windows, Microsoft.AspNetCore.SignalR.Core on .NET 10.0 runtime installed on Linux, Microsoft.AspNetCore.SignalR.Core on .NET 10.0 runtime installed on Mac OS, Microsoft.AspNetCore.SignalR.Core on .NET 10.0 runtime installed on Windows, Microsoft.AspNetCore.SignalR.Core on .NET 11.0 runtime installed on Linux, Microsoft.AspNetCore.SignalR.Core on .NET 11.0 runtime installed on Mac OS, Microsoft.AspNetCore.SignalR.Core on .NET 11.0 runtime installed on Windows, Microsoft.AspNetCore.SignalR.Core on .NET 8.0 runtime installed on Linux, Microsoft.AspNetCore.SignalR.Core on .NET 8.0 runtime installed on Mac OS, Microsoft.AspNetCore.SignalR.Core on .NET 8.0 runtime installed on Windows, Microsoft.AspNetCore.SignalR.Core on .NET 9.0 runtime installed on Linux, Microsoft.AspNetCore.SignalR.Core on .NET 9.0 runtime installed on Mac OS, Microsoft.AspNetCore.SignalR.Core on .NET 9.0 runtime installed on Windows
  50. 22 Oct 2026 · 17:33:15 UTC EPSS1.1%; scored 21 Oct 2026 → 1.1%; scored 22 Oct 2026
  51. 21 Oct 2026 · 21:47:24 UTC EPSS1.1%; scored 20 Oct 2026 → 1.1%; scored 21 Oct 2026
  52. 20 Oct 2026 · 20:53:31 UTC EPSS1.1%; scored 19 Oct 2026 → 1.1%; scored 20 Oct 2026
  53. 19 Oct 2026 · 15:12:40 UTC EPSS1.1%; scored 18 Oct 2026 → 1.1%; scored 19 Oct 2026
  54. 18 Oct 2026 · 14:54:30 UTC EPSS1.1%; scored 16 Oct 2026 → 1.1%; scored 18 Oct 2026
  55. 18 Oct 2026 · 14:54:30 UTC Link: October 2026/security?release=2026-Oct#cves
  56. 16 Oct 2026 · 16:13:25 UTC EPSS1.1%; scored 15 Oct 2026 → 1.1%; scored 16 Oct 2026
  57. 15 Oct 2026 · 21:30:54 UTC Revision noteInformation published. → Updated the Security Updates table to add KB article links for .NET 11.0 and download and KB article links for Microsoft Visual Studio. This is an informational change only; the fixed builds are unchanged.
  58. 15 Oct 2026 · 21:30:54 UTC Last revised13 Oct 2026 07:00 UTC → 15 Oct 2026 07:00 UTC
  59. 15 Oct 2026 · 21:30:54 UTC EPSS1.1%; scored 14 Oct 2026 → 1.1%; scored 15 Oct 2026
  60. 15 Oct 2026 · 01:07:54 UTC EPSSNot scored → 1.1%; scored 14 Oct 2026

Explore global source statements, affected packages and advisory history for CVE-2026-70159. The catalog has a separate collection scope from Microsoft release records.

cve-program · CVE-2026-70159

Published

Microsoft Visual Studio 2022 version 17.14

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Microsoft",
                    "product": "Microsoft Visual Studio 2022 version 17.14",
                    "versions": [
                        {
                            "version": "17.14.0",
                            "lessThan": "17.14.42",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft Visual Studio 2026 version 18.10

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Microsoft",
                    "product": "Microsoft Visual Studio 2026 version 18.10",
                    "versions": [
                        {
                            "version": "18.10.0",
                            "lessThan": "18.10.4",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft.AspNetCore.SignalR.Common

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Microsoft",
                    "product": "Microsoft.AspNetCore.SignalR.Common",
                    "platforms": [
                        ".NET 10.0 runtime installed on Linux",
                        ".NET 10.0 runtime installed on Mac OS",
                        ".NET 10.0 runtime installed on Windows",
                        ".NET 11.0 runtime installed on Linux",
                        ".NET 11.0 runtime installed on Mac OS",
                        ".NET 11.0 runtime installed on Windows",
                        ".NET 8.0 runtime installed on Linux",
                        ".NET 8.0 runtime installed on Mac OS",
                        ".NET 8.0 runtime installed on Windows",
                        ".NET 9.0 runtime installed on Linux",
                        ".NET 9.0 runtime installed on Mac OS",
                        ".NET 9.0 runtime installed on Windows"
                    ],
                    "versions": [
                        {
                            "version": "10.0.0",
                            "lessThan": "10.0.13",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft.AspNetCore.SignalR.Core

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Microsoft",
                    "product": "Microsoft.AspNetCore.SignalR.Core",
                    "platforms": [
                        ".NET 10.0 runtime installed on Linux",
                        ".NET 10.0 runtime installed on Mac OS",
                        ".NET 10.0 runtime installed on Windows",
                        ".NET 11.0 runtime installed on Linux",
                        ".NET 11.0 runtime installed on Mac OS",
                        ".NET 11.0 runtime installed on Windows",
                        ".NET 8.0 runtime installed on Linux",
                        ".NET 8.0 runtime installed on Mac OS",
                        ".NET 8.0 runtime installed on Windows",
                        ".NET 9.0 runtime installed on Linux",
                        ".NET 9.0 runtime installed on Mac OS",
                        ".NET 9.0 runtime installed on Windows"
                    ],
                    "versions": [
                        {
                            "version": "1.0.0",
                            "lessThan": "1.2.14",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-99691

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Oct 13, 2026, 7:00:26 PM

dateUpdated: Oct 31, 2026, 6:06:14 PM

18 related source bulletins · separate from aliases

RHSA-2026:86192: Red Hat Security Advisory: .NET 10.0 security, bug fix, and enhancement update

CVE-2026-58280 · CVE-2026-66822 · CVE-2026-69651 · CVE-2026-70159 · CVE-2026-70175 · CVE-2026-70179 · CVE-2026-70181 · CVE-2026-70183 · CVE-2026-70186 · CVE-2026-70188 · CVE-2026-70196 · CVE-2026-84008 · CVE-2026-88092 · CVE-2026-92707 · CVE-2026-96225 · CVE-2026-96230 · CVE-2026-96231 · CVE-2026-96233 · CVE-2026-96236 · CVE-2026-96237 · CVE-2026-96238 · CVE-2026-96957 · CVE-2026-96958 · CVE-2026-96959 · CVE-2026-96960 · CVE-2026-102870

RHSA-2026:86171: Red Hat Security Advisory: .NET 9.0 security, bug fix, and enhancement update

CVE-2026-58280 · CVE-2026-66822 · CVE-2026-69651 · CVE-2026-70159 · CVE-2026-70175 · CVE-2026-70179 · CVE-2026-70181 · CVE-2026-70183 · CVE-2026-70186 · CVE-2026-70188 · CVE-2026-70196 · CVE-2026-84008 · CVE-2026-88092 · CVE-2026-92707 · CVE-2026-96225 · CVE-2026-96230 · CVE-2026-96231 · CVE-2026-96233 · CVE-2026-96236 · CVE-2026-96237 · CVE-2026-96238 · CVE-2026-96958 · CVE-2026-96959 · CVE-2026-96960

NCSC-2026-0426: Kwetsbaarheden verholpen in Microsoft Developer Tools

CVE-2026-58280 · CVE-2026-66822 · CVE-2026-69370 · CVE-2026-69651 · CVE-2026-69905 · CVE-2026-69914 · CVE-2026-69945 · CVE-2026-69969 · CVE-2026-69979 · CVE-2026-70007 · CVE-2026-70035 · CVE-2026-70098 · CVE-2026-70159 · CVE-2026-70161 · CVE-2026-70165 · CVE-2026-70174 · CVE-2026-70175 · CVE-2026-70179 · CVE-2026-70181 · CVE-2026-70183 · CVE-2026-70186 · CVE-2026-70188 · CVE-2026-70190 · CVE-2026-70194 · CVE-2026-70196 · CVE-2026-70197 · CVE-2026-83520 · CVE-2026-84008 · CVE-2026-85363 · CVE-2026-85849 · CVE-2026-85934 · CVE-2026-87697 · CVE-2026-88092 · CVE-2026-96224 · CVE-2026-96225 · CVE-2026-96229 · CVE-2026-96230 · CVE-2026-96231 · CVE-2026-96232 · CVE-2026-96233 · CVE-2026-96234 · CVE-2026-96235 · CVE-2026-96236 · CVE-2026-96237 · CVE-2026-96238 · CVE-2026-96957 · CVE-2026-96958 · CVE-2026-96959 · CVE-2026-96960 · CVE-2026-102229 · CVE-2026-102230 · CVE-2026-102231 · CVE-2026-102232 · CVE-2026-102233 · CVE-2026-102234 · CVE-2026-102235 · CVE-2026-102238 · CVE-2026-102851 · CVE-2026-102870 · CVE-2026-103572 · CVE-2026-108398 · CVE-2026-102869

RHSA-2026:88424: Red Hat Security Advisory: .NET 9.0 security update

CVE-2026-58280 · CVE-2026-58649 · CVE-2026-66822 · CVE-2026-69651 · CVE-2026-69806 · CVE-2026-70159 · CVE-2026-70175 · CVE-2026-70179 · CVE-2026-70181 · CVE-2026-70183 · CVE-2026-70186 · CVE-2026-70188 · CVE-2026-70196 · CVE-2026-84008 · CVE-2026-88092 · CVE-2026-92707 · CVE-2026-96225 · CVE-2026-96230 · CVE-2026-96231 · CVE-2026-96233 · CVE-2026-96236 · CVE-2026-96237 · CVE-2026-96238 · CVE-2026-96958 · CVE-2026-96959 · CVE-2026-96960

WID-SEC-W-2026-3893: Microsoft Entwicklerwerkzeuge: Mehrere Schwachstellen

CVE-2026-100205 · CVE-2026-102229 · CVE-2026-102231 · CVE-2026-102232 · CVE-2026-102233 · CVE-2026-102234 · CVE-2026-102235 · CVE-2026-102238 · CVE-2026-102851 · CVE-2026-102869 · CVE-2026-102870 · CVE-2026-103572 · CVE-2026-105016 · CVE-2026-105729 · CVE-2026-105732 · CVE-2026-108398 · CVE-2026-109468 · CVE-2026-58280 · CVE-2026-66822 · CVE-2026-69370 · CVE-2026-69651 · CVE-2026-70007 · CVE-2026-70035 · CVE-2026-70098 · CVE-2026-70159 · CVE-2026-70161 · CVE-2026-70162 · CVE-2026-70165 · CVE-2026-70174 · CVE-2026-70175 · CVE-2026-70179 · CVE-2026-70181 · CVE-2026-70183 · CVE-2026-70186 · CVE-2026-70188 · CVE-2026-70190 · CVE-2026-70194 · CVE-2026-70196 · CVE-2026-70197 · CVE-2026-83520 · CVE-2026-84008 · CVE-2026-85363 · CVE-2026-85790 · CVE-2026-87697 · CVE-2026-88092 · CVE-2026-92707 · CVE-2026-96222 · CVE-2026-96224 · CVE-2026-96225 · CVE-2026-96229 · CVE-2026-96230 · CVE-2026-96231 · CVE-2026-96232 · CVE-2026-96233 · CVE-2026-96234 · CVE-2026-96235 · CVE-2026-96236 · CVE-2026-96237 · CVE-2026-96238 · CVE-2026-96251 · CVE-2026-96303 · CVE-2026-96957 · CVE-2026-96958 · CVE-2026-96959 · CVE-2026-96960 · CVE-2026-97788 · CVE-2026-97801

RHSA-2026:88474: Red Hat Security Advisory: .NET 8.0 security update

CVE-2026-58280 · CVE-2026-58649 · CVE-2026-66822 · CVE-2026-69651 · CVE-2026-70159 · CVE-2026-70175 · CVE-2026-70179 · CVE-2026-70181 · CVE-2026-70183 · CVE-2026-70186 · CVE-2026-70188 · CVE-2026-70196 · CVE-2026-84008 · CVE-2026-88092 · CVE-2026-92707 · CVE-2026-96222 · CVE-2026-96225 · CVE-2026-96230 · CVE-2026-96231 · CVE-2026-96233 · CVE-2026-96236 · CVE-2026-96237 · CVE-2026-96238 · CVE-2026-96958 · CVE-2026-96959 · CVE-2026-96960

RHSA-2026:88425: Red Hat Security Advisory: .NET 8.0 security update

CVE-2026-58280 · CVE-2026-58649 · CVE-2026-66822 · CVE-2026-69651 · CVE-2026-70159 · CVE-2026-70175 · CVE-2026-70179 · CVE-2026-70181 · CVE-2026-70183 · CVE-2026-70186 · CVE-2026-70188 · CVE-2026-70196 · CVE-2026-84008 · CVE-2026-88092 · CVE-2026-92707 · CVE-2026-96222 · CVE-2026-96225 · CVE-2026-96230 · CVE-2026-96231 · CVE-2026-96233 · CVE-2026-96236 · CVE-2026-96237 · CVE-2026-96238 · CVE-2026-96958 · CVE-2026-96959 · CVE-2026-96960

RHSA-2026:88422: Red Hat Security Advisory: .NET 8.0 security update

CVE-2026-58280 · CVE-2026-58649 · CVE-2026-66822 · CVE-2026-69651 · CVE-2026-70159 · CVE-2026-70175 · CVE-2026-70179 · CVE-2026-70181 · CVE-2026-70183 · CVE-2026-70186 · CVE-2026-70188 · CVE-2026-70196 · CVE-2026-84008 · CVE-2026-88092 · CVE-2026-92707 · CVE-2026-96222 · CVE-2026-96225 · CVE-2026-96230 · CVE-2026-96231 · CVE-2026-96233 · CVE-2026-96236 · CVE-2026-96237 · CVE-2026-96238 · CVE-2026-96958 · CVE-2026-96959 · CVE-2026-96960

RHSA-2026:86172: Red Hat Security Advisory: .NET 9.0 security, bug fix, and enhancement update

CVE-2026-58280 · CVE-2026-66822 · CVE-2026-69651 · CVE-2026-70159 · CVE-2026-70175 · CVE-2026-70179 · CVE-2026-70181 · CVE-2026-70183 · CVE-2026-70186 · CVE-2026-70188 · CVE-2026-70196 · CVE-2026-84008 · CVE-2026-88092 · CVE-2026-92707 · CVE-2026-96225 · CVE-2026-96230 · CVE-2026-96231 · CVE-2026-96233 · CVE-2026-96236 · CVE-2026-96237 · CVE-2026-96238 · CVE-2026-96958 · CVE-2026-96959 · CVE-2026-96960

RHSA-2026:86193: Red Hat Security Advisory: .NET 10.0 security, bug fix, and enhancement update

CVE-2026-58280 · CVE-2026-66822 · CVE-2026-69651 · CVE-2026-70159 · CVE-2026-70175 · CVE-2026-70179 · CVE-2026-70181 · CVE-2026-70183 · CVE-2026-70186 · CVE-2026-70188 · CVE-2026-70196 · CVE-2026-84008 · CVE-2026-88092 · CVE-2026-92707 · CVE-2026-96225 · CVE-2026-96230 · CVE-2026-96231 · CVE-2026-96233 · CVE-2026-96236 · CVE-2026-96237 · CVE-2026-96238 · CVE-2026-96957 · CVE-2026-96958 · CVE-2026-96959 · CVE-2026-96960 · CVE-2026-102870

RHSA-2026:86195: Red Hat Security Advisory: .NET 10.0 security, bug fix, and enhancement update

CVE-2026-58280 · CVE-2026-66822 · CVE-2026-69651 · CVE-2026-70159 · CVE-2026-70175 · CVE-2026-70179 · CVE-2026-70181 · CVE-2026-70183 · CVE-2026-70186 · CVE-2026-70188 · CVE-2026-70196 · CVE-2026-84008 · CVE-2026-88092 · CVE-2026-92707 · CVE-2026-96225 · CVE-2026-96230 · CVE-2026-96231 · CVE-2026-96233 · CVE-2026-96236 · CVE-2026-96237 · CVE-2026-96238 · CVE-2026-96957 · CVE-2026-96958 · CVE-2026-96959 · CVE-2026-96960 · CVE-2026-102870

RHSA-2026:89735: Red Hat Security Advisory: .NET 9.0 security update

CVE-2026-58280 · CVE-2026-58649 · CVE-2026-66822 · CVE-2026-69651 · CVE-2026-69806 · CVE-2026-70159 · CVE-2026-70175 · CVE-2026-70179 · CVE-2026-70181 · CVE-2026-70183 · CVE-2026-70186 · CVE-2026-70188 · CVE-2026-70196 · CVE-2026-84008 · CVE-2026-88092 · CVE-2026-92707 · CVE-2026-96225 · CVE-2026-96230 · CVE-2026-96231 · CVE-2026-96233 · CVE-2026-96236 · CVE-2026-96237 · CVE-2026-96238 · CVE-2026-96958 · CVE-2026-96959 · CVE-2026-96960

RHSA-2026:86169: Red Hat Security Advisory: .NET 8.0 security, bug fix, and enhancement update

CVE-2026-58280 · CVE-2026-66822 · CVE-2026-69651 · CVE-2026-70159 · CVE-2026-70175 · CVE-2026-70179 · CVE-2026-70181 · CVE-2026-70183 · CVE-2026-70186 · CVE-2026-70188 · CVE-2026-70196 · CVE-2026-84008 · CVE-2026-88092 · CVE-2026-92707 · CVE-2026-96222 · CVE-2026-96225 · CVE-2026-96230 · CVE-2026-96231 · CVE-2026-96233 · CVE-2026-96236 · CVE-2026-96237 · CVE-2026-96238 · CVE-2026-96958 · CVE-2026-96959 · CVE-2026-96960

RHSA-2026:84424: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

CVE-2026-58280 · CVE-2026-66822 · CVE-2026-69651 · CVE-2026-70159 · CVE-2026-96225 · CVE-2026-96231 · CVE-2026-96233 · CVE-2026-96237 · CVE-2026-96238

RHSA-2026:86594: Red Hat Security Advisory: .NET 8.0 security, bug fix, and enhancement update

CVE-2026-58280 · CVE-2026-66822 · CVE-2026-69651 · CVE-2026-70159 · CVE-2026-70175 · CVE-2026-70179 · CVE-2026-70181 · CVE-2026-70183 · CVE-2026-70186 · CVE-2026-70188 · CVE-2026-70196 · CVE-2026-84008 · CVE-2026-88092 · CVE-2026-92707 · CVE-2026-96222 · CVE-2026-96225 · CVE-2026-96230 · CVE-2026-96231 · CVE-2026-96233 · CVE-2026-96236 · CVE-2026-96237 · CVE-2026-96238 · CVE-2026-96958 · CVE-2026-96959 · CVE-2026-96960

RHSA-2026:86170: Red Hat Security Advisory: .NET 9.0 security, bug fix, and enhancement update

CVE-2026-58280 · CVE-2026-66822 · CVE-2026-69651 · CVE-2026-70159 · CVE-2026-70175 · CVE-2026-70179 · CVE-2026-70181 · CVE-2026-70183 · CVE-2026-70186 · CVE-2026-70188 · CVE-2026-70196 · CVE-2026-84008 · CVE-2026-88092 · CVE-2026-92707 · CVE-2026-96225 · CVE-2026-96230 · CVE-2026-96231 · CVE-2026-96233 · CVE-2026-96236 · CVE-2026-96237 · CVE-2026-96238 · CVE-2026-96958 · CVE-2026-96959 · CVE-2026-96960

RHSA-2026:84491: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

CVE-2026-58280 · CVE-2026-66822 · CVE-2026-69651 · CVE-2026-70159 · CVE-2026-84008 · CVE-2026-96225 · CVE-2026-96231 · CVE-2026-96233 · CVE-2026-96237 · CVE-2026-96238 · CVE-2026-96957 · CVE-2026-96959

RHSA-2026:86168: Red Hat Security Advisory: .NET 8.0 security, bug fix, and enhancement update

CVE-2026-58280 · CVE-2026-66822 · CVE-2026-69651 · CVE-2026-70159 · CVE-2026-70175 · CVE-2026-70179 · CVE-2026-70181 · CVE-2026-70183 · CVE-2026-70186 · CVE-2026-70188 · CVE-2026-70196 · CVE-2026-84008 · CVE-2026-88092 · CVE-2026-92707 · CVE-2026-96222 · CVE-2026-96225 · CVE-2026-96230 · CVE-2026-96231 · CVE-2026-96233 · CVE-2026-96236 · CVE-2026-96237 · CVE-2026-96238 · CVE-2026-96958 · CVE-2026-96959 · CVE-2026-96960

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-70159

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Undergoing Analysis

Weakness classifications: CWE-770

Original publisher date fields

published: 2026-10-13T19:19:29.390

lastModified: 2026-10-22T22:18:32.240

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-334f-vvp4-7g6p

Published

Microsoft.AspNetCore.SignalR.Common

NuGet

ECOSYSTEM · introduced 10.0.0 → fixed 10.0.13

13 explicitly affected versions

10.0.0, 10.0.1, 10.0.10, 10.0.11, 10.0.12, 10.0.2, 10.0.3, 10.0.4, 10.0.5, 10.0.6, 10.0.7, 10.0.8, 10.0.9

Microsoft.AspNetCore.SignalR.Common

NuGet

ECOSYSTEM · introduced 11.0.0-preview.5 → fixed 11.0.0-rc.2

Microsoft.AspNetCore.SignalR.Common

NuGet

ECOSYSTEM · introduced 8.0.0 → fixed 8.0.32

31 explicitly affected versions

8.0.0, 8.0.1, 8.0.10, 8.0.11, 8.0.12, 8.0.13, 8.0.14, 8.0.15, 8.0.16, 8.0.17, 8.0.18, 8.0.19, 8.0.2, 8.0.20, 8.0.21, 8.0.22, 8.0.23, 8.0.24, 8.0.25, 8.0.26, 8.0.27, 8.0.28, 8.0.29, 8.0.3, 8.0.30, 8.0.31, 8.0.4, 8.0.5, 8.0.6, 8.0.7, 8.0.8

Microsoft.AspNetCore.SignalR.Common

NuGet

ECOSYSTEM · introduced 9.0.0 → fixed 9.0.21

21 explicitly affected versions

9.0.0, 9.0.1, 9.0.10, 9.0.11, 9.0.12, 9.0.13, 9.0.14, 9.0.15, 9.0.16, 9.0.17, 9.0.18, 9.0.19, 9.0.2, 9.0.20, 9.0.3, 9.0.4, 9.0.5, 9.0.6, 9.0.7, 9.0.8, 9.0.9

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 8 Nov 06:21 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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