Recorded 25 Oct 2026 at 17:12 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position.
See the latest record.
The historical field “Public exploit code” recorded Nuclei detection-template membership. It did not establish exploit availability. The original recorded fields remain below.
The historical “Publicly disclosed: No” field could represent a missing MSRC assessment. It does not establish that the vulnerability was undisclosed. The original recorded fields remain below.
CVEMicrosoft Security Response Center
ASP.NET Core Denial of Service Vulnerability
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
CWE-770: Allocation of Resources Without Limits or Throttling
Issued by
Microsoft
Customer action
Required: apply the update
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
Updates that fix it
No KB listed
CISA KEV
Not listed in the collected catalog
EPSS
1.2%; scored 25 Oct 2026
Public exploit code
No Nuclei template listed
Published
13 Oct 2026 07:00 UTC
Last revised
15 Oct 2026 07:00 UTC
Revision note
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.
Complete at observationRead 25 Oct 2026 at 17:11 UTC
CISA KEV
Complete at observationRead 25 Oct 2026 at 17:11 UTC
FIRST EPSS
Complete at observationRead 25 Oct 2026 at 17:11 UTC
Public detection templates (Nuclei)
Complete at observationRead 25 Oct 2026 at 17:11 UTC
Coverage describes the sources at this observation. A complete read then does not establish their current position.
What changed
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
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
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
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.
22 Oct 2026 · 22:02:57 UTCAffected 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
15 Oct 2026 · 21:30:54 UTCRevision 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.