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CVE-2026-33116Published

.NET, .NET Framework, and Visual Studio Denial of Service Vulnerability

Recorded JSON

cve-program · CVE-2026-33116

Published

.NET 10.0

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Microsoft",
                    "product": ".NET 10.0",
                    "versions": [
                        {
                            "version": "10.0.0",
                            "lessThan": "10.0.6",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

.NET 8.0

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Microsoft",
                    "product": ".NET 8.0",
                    "versions": [
                        {
                            "version": "8.0",
                            "lessThan": "8.0.26",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

.NET 8.0

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Microsoft",
                    "product": ".NET 8.0",
                    "versions": [
                        {
                            "version": "8.0.0",
                            "lessThan": "8.0.26",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

.NET 9.0

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Microsoft",
                    "product": ".NET 9.0",
                    "versions": [
                        {
                            "version": "9.0.0",
                            "lessThan": "9.0.15",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft .NET Framework 3.5

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Microsoft",
                    "product": "Microsoft .NET Framework 3.5",
                    "platforms": [
                        "Windows Server 2012",
                        "Windows Server 2012 (Server Core installation)",
                        "Windows Server 2012 R2",
                        "Windows Server 2012 R2 (Server Core installation)"
                    ],
                    "versions": [
                        {
                            "version": "3.5.0",
                            "lessThan": "2.0.50727.8982 & 3.0.30729.8976",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft .NET Framework 3.5 AND 4.7.2

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Microsoft",
                    "product": "Microsoft .NET Framework 3.5 AND 4.7.2",
                    "platforms": [
                        "Windows 10 Version 1809 for 32-bit Systems",
                        "Windows 10 Version 1809 for ARM64-based Systems",
                        "Windows 10 Version 1809 for x64-based Systems"
                    ],
                    "versions": [
                        {
                            "version": "4.7.0",
                            "lessThan": "2.0.50727.9068 & 3.0.30729.9065 & 4.7.4141.0",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft .NET Framework 3.5 AND 4.8

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Microsoft",
                    "product": "Microsoft .NET Framework 3.5 AND 4.8",
                    "platforms": [
                        "Windows 10 Version 1809 for 32-bit Systems",
                        "Windows 10 Version 1809 for ARM64-based Systems",
                        "Windows 10 Version 1809 for x64-based Systems",
                        "Windows 10 Version 21H2 for 32-bit Systems",
                        "Windows 10 Version 21H2 for ARM64-based Systems",
                        "Windows 10 Version 21H2 for x64-based Systems",
                        "Windows 10 Version 22H2 for 32-bit Systems",
                        "Windows 10 Version 22H2 for ARM64-based Systems",
                        "Windows 10 Version 22H2 for x64-based Systems",
                        "Windows Server 2022",
                        "Windows Server 2022 (Server Core installation)"
                    ],
                    "versions": [
                        {
                            "version": "4.8.0",
                            "lessThan": "2.0.50727.9068 & 3.0.30729.9065 & 4.8.4801.0",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft .NET Framework 3.5 AND 4.8.1

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Microsoft",
                    "product": "Microsoft .NET Framework 3.5 AND 4.8.1",
                    "platforms": [
                        "Windows 10 Version 21H2 for 32-bit Systems",
                        "Windows 10 Version 21H2 for ARM64-based Systems",
                        "Windows 10 Version 21H2 for x64-based Systems",
                        "Windows 10 Version 22H2 for 32-bit Systems",
                        "Windows 10 Version 22H2 for ARM64-based Systems",
                        "Windows 10 Version 22H2 for x64-based Systems",
                        "Windows 11 Version 22H2 for ARM64-based Systems",
                        "Windows 11 Version 22H2 for x64-based Systems",
                        "Windows 11 Version 23H2 for ARM64-based Systems",
                        "Windows 11 Version 23H2 for x64-based Systems",
                        "Windows 11 Version 24H2 for ARM64-based Systems",
                        "Windows 11 Version 24H2 for x64-based Systems",
                        "Windows 11 Version 25H2 for ARM64-based Systems",
                        "Windows 11 Version 25H2 for x64-based Systems",
                        "Windows 11 Version 26H1 for ARM64-based Systems",
                        "Windows 11 version 26H1 for x64-based Systems",
                        "Windows Server 2022",
                        "Windows Server 2022 (Server Core installation)",
                        "Windows Server 2022, 23H2 Edition (Server Core installation)",
                        "Windows Server 2025",
                        "Windows Server 2025 (Server Core installation)"
                    ],
                    "versions": [
                        {
                            "version": "4.8.1",
                            "lessThan": "2.0.50727.9181 & 3.0.30729.9165 & 4.8.9332.0",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Microsoft",
                    "product": "Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2",
                    "platforms": [
                        "Windows Server 2012",
                        "Windows Server 2012 (Server Core installation)",
                        "Windows Server 2012 R2",
                        "Windows Server 2012 R2 (Server Core installation)"
                    ],
                    "versions": [
                        {
                            "version": "4.7.0",
                            "lessThan": "4.8.4801.0",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft .NET Framework 4.8

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Microsoft",
                    "product": "Microsoft .NET Framework 4.8",
                    "platforms": [
                        "Windows 10 Version 1607 for 32-bit Systems",
                        "Windows 10 Version 1607 for x64-based Systems",
                        "Windows Server 2012",
                        "Windows Server 2012 (Server Core installation)",
                        "Windows Server 2012 R2",
                        "Windows Server 2012 R2 (Server Core installation)"
                    ],
                    "versions": [
                        {
                            "version": "4.8.0",
                            "lessThan": "4.8.4801.0",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

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

euvd · EUVD-2026-22635

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: Apr 14, 2026, 4:57:47 PM

dateUpdated: Oct 15, 2026, 3:52:59 PM

19 related source bulletins · separate from aliases

RHSA-2026:9080: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

CVE-2025-26646 · CVE-2025-55247 · CVE-2025-55248 · CVE-2025-55315 · CVE-2026-26171 · CVE-2026-32178 · CVE-2026-32203 · CVE-2026-33116

RHSA-2026:13283: Red Hat Security Advisory: .NET 8.0 security update

CVE-2026-26171 · CVE-2026-32178 · CVE-2026-32203 · CVE-2026-33116

RHSA-2026:8468: Red Hat Security Advisory: .NET 8.0 security, bug fix, and enhancement update

CVE-2026-26171 · CVE-2026-32178 · CVE-2026-32203 · CVE-2026-33116

RHSA-2026:9205: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

CVE-2025-26646 · CVE-2025-55247 · CVE-2025-55248 · CVE-2025-55315 · CVE-2026-26171 · CVE-2026-32178 · CVE-2026-32203 · CVE-2026-33116

RHSA-2026:8472: Red Hat Security Advisory: .NET 9.0 security update

CVE-2026-26171 · CVE-2026-32178 · CVE-2026-32203 · CVE-2026-33116

RHSA-2026:8473: Red Hat Security Advisory: .NET 10.0 security update

CVE-2026-26171 · CVE-2026-32178 · CVE-2026-32203 · CVE-2026-33116

RHSA-2026:8475: Red Hat Security Advisory: .NET 9.0 security update

CVE-2026-26171 · CVE-2026-32178 · CVE-2026-32203 · CVE-2026-33116

RHSA-2026:8471: Red Hat Security Advisory: .NET 10.0 security update

CVE-2026-26171 · CVE-2026-32178 · CVE-2026-32203 · CVE-2026-33116

RHSA-2026:8469: Red Hat Security Advisory: .NET 8.0 security update

CVE-2026-26171 · CVE-2026-32178 · CVE-2026-32203 · CVE-2026-33116

RHSA-2026:13281: Red Hat Security Advisory: .NET 8.0 security update

CVE-2026-26171 · CVE-2026-32178 · CVE-2026-32203 · CVE-2026-33116

RHSA-2026:8470: Red Hat Security Advisory: .NET 8.0 security update

CVE-2026-26171 · CVE-2026-32178 · CVE-2026-32203 · CVE-2026-33116

NCSC-2026-0114: Kwetsbaarheden verholpen in Microsoft Developer tools

CVE-2026-23653 · CVE-2026-23666 · CVE-2026-26143 · CVE-2026-26171 · CVE-2026-32178 · CVE-2026-32203 · CVE-2026-32226 · CVE-2026-33116

msrc_CVE-2026-33116: .NET, .NET Framework, and Visual Studio Denial of Service Vulnerability

CVE-2026-33116

RHSA-2026:8467: Red Hat Security Advisory: .NET 10.0 security update

CVE-2026-26171 · CVE-2026-32178 · CVE-2026-32203 · CVE-2026-33116

RHSA-2026:13282: Red Hat Security Advisory: .NET 9.0 security update

CVE-2026-26171 · CVE-2026-32178 · CVE-2026-32203 · CVE-2026-33116

RHSA-2026:13693: Red Hat Security Advisory: .NET 8.0 security update

CVE-2026-26171 · CVE-2026-32178 · CVE-2026-32203 · CVE-2026-33116

RHSA-2026:9077: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

CVE-2026-26131 · CVE-2026-26171 · CVE-2026-32178 · CVE-2026-32203 · CVE-2026-33116

RHSA-2026:13280: Red Hat Security Advisory: .NET 9.0 security update

CVE-2026-26171 · CVE-2026-32178 · CVE-2026-32203 · CVE-2026-33116

RHSA-2026:8474: Red Hat Security Advisory: .NET 9.0 security update

CVE-2026-26171 · CVE-2026-32178 · CVE-2026-32203 · CVE-2026-33116

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-2026-33116

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: Modified

Weakness classifications: CWE-20 · CWE-400 · CWE-835 · CWE-776

Original publisher date fields

published: 2026-04-14T18:17:33.903

lastModified: 2026-07-25T11:10:00.100

37 source CPE criteria · context only
  • cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x86:*
  • cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_11_22h2:-:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_11_22h2:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_11_23h2:-:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_11_23h2:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_11_24h2:-:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_11_24h2:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_11_25h2:-:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_11_25h2:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_server_2022_23h2:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_server_2025:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

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-37gx-xxp4-5rgx

Published

System.Security.Cryptography.Xml

NuGet

ECOSYSTEM · introduced 10.0.0 → fixed 10.0.6

6 explicitly affected versions

10.0.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5

System.Security.Cryptography.Xml

NuGet

ECOSYSTEM · introduced 9.0.0 → fixed 9.0.15

15 explicitly affected versions

9.0.0, 9.0.1, 9.0.10, 9.0.11, 9.0.12, 9.0.13, 9.0.14, 9.0.2, 9.0.3, 9.0.4, 9.0.5, 9.0.6, 9.0.7, 9.0.8, 9.0.9

System.Security.Cryptography.Xml

NuGet

ECOSYSTEM · introduced 8.0.0 → fixed 8.0.3

3 explicitly affected versions

8.0.0, 8.0.1, 8.0.2

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 9 Nov 20:17 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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