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CVE-2026-32226 .NET Framework Denial of Service Vulnerability

🗓️ 14 Apr 2026 16:57:44Reported by microsoftType 
cvelist
 cvelist🔗 www.cve.org👁 24 Views

CVE-2026-32226 identifies a denial of service vulnerability in the .NET Framework.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-32226
14 Apr 202616:57
–attackerkb
Circl		CVE-2026-32226
14 Apr 202612:18
–circl
CNNVD		Microsoft .NET Framework 竞争条件问题漏洞
14 Apr 202600:00
–cnnvd
CVE		CVE-2026-32226
14 Apr 202616:57
–cve
EUVD		EUVD-2026-22614
14 Apr 202618:30
–euvd
Microsoft KB		April 14, 2026-Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 (KB5082398)
14 Apr 202614:00
–mskb
Microsoft KB		April 14, 2026-Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 (KB5082400)
14 Apr 202614:00
–mskb
Microsoft KB		April 14, 2026-Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 R2 (KB5082402)
14 Apr 202614:00
–mskb
Microsoft KB		April 14, 2026-Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 (KB5082403)
14 Apr 202614:00
–mskb
Microsoft KB		April 14, 2026-Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 R2 (KB5082404)
14 Apr 202614:00
–mskb
Rows per page
[
  {
    "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"
      }
    ]
  },
  {
    "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"
      }
    ]
  },
  {
    "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 11 version 21H2 for x64-based Systems",
      "Windows Server 2022",
      "Windows Server 2022 (Server Core installation)",
      "Windows Server, version 20H2 (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"
      }
    ]
  },
  {
    "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"
      }
    ]
  },
  {
    "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"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft .NET Framework 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": "10.0.0.0",
        "lessThan": "2.0.50727.9068 & 3.0.30729.9065 & 4.7.4141.0",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft .NET Framework 4.8",
    "platforms": [
      "Windows 10 Version 1607 for x64-based Systems",
      "Windows 10 Version 22H2 for x64-based Systems",
      "Windows 11 Version 22H2 for x64-based Systems",
      "Windows Server 2012 (Server Core installation)",
      "Windows Server 2012 R2",
      "Windows Server 2012 R2 (Server Core installation)"
    ],
    "versions": [
      {
        "version": "4.8.0",
        "lessThan": "2.0.50727.9181 & 3.0.30729.9165 & 4.8.4801.0",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft .NET Framework 4.8.1",
    "platforms": [
      "Windows Server 2022 (Server Core installation)"
    ],
    "versions": [
      {
        "version": "4.8.0.0",
        "lessThan": "2.0.50727.9181 & 3.0.30729.9165 & 4.8.9332.0",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

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01 Jun 2026 19:13Current
CVSS 3.15.9
EPSS0.00082
CWE-362
CVE 2026 32226Dotnet frameworkdenial of service
24