{
  "fix": "KB4580469",
  "url": "https://patchblox.com/security/fix/microsoft/kb4580469",
  "summary": "KB4580469, released October 13, 2020, fixes 1 CVE across 16 products. None of them is reported as exploited. Patch Radar priority: Routine.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "October 2020 security update",
  "released": "2020-10-13T07:00:00Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes CVE-2020-16937",
  "supported": true,
  "cveCount": 1,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.03288,
  "maxCvss": 4.7,
  "vendorAdvisory": "https://support.microsoft.com/help/4580469",
  "appliesTo": [
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      "product": "Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-3.5-on-windows-8.1-for-32-bit-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-3.5-on-windows-8.1-for-x64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft .NET Framework 3.5 on Windows Server 2012 R2",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-3.5-on-windows-server-2012-r2",
      "fixedVersion": "",
      "supported": true
    },
    {
      "product": "Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation)",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-3.5-on-windows-server-2012-r2-server-core-installation",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft .NET Framework 4.5.2 on Windows 8.1 for 32-bit systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-4.5.2-on-windows-8.1-for-32-bit-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
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      "fixedVersion": "",
      "supported": false
    },
    {
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      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-4.5.2-on-windows-server-2012-r2",
      "fixedVersion": "",
      "supported": false
    },
    {
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      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-4.5.2-on-windows-server-2012-r2-server-core-installation",
      "fixedVersion": "",
      "supported": false
    },
    {
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      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-4.6-4.6.1-4.6.2-4.7-4.7.1-4.7.2-on-windows-8.1-for-32-bit-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for x64-based systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-4.6-4.6.1-4.6.2-4.7-4.7.1-4.7.2-on-windows-8.1-for-x64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-4.6-4.6.1-4.6.2-4.7-4.7.1-4.7.2-on-windows-server-2012-r2",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation)",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-4.6-4.6.1-4.6.2-4.7-4.7.1-4.7.2-on-windows-server-2012-r2-server-core-installation",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-4.8-on-windows-8.1-for-32-bit-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-4.8-on-windows-8.1-for-x64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft .NET Framework 4.8 on Windows Server 2012 R2",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-4.8-on-windows-server-2012-r2",
      "fixedVersion": "",
      "supported": true
    },
    {
      "product": "Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-4.8-on-windows-server-2012-r2-server-core-installation",
      "fixedVersion": "",
      "supported": false
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2020-16937",
      "url": "https://patchblox.com/security/cve/CVE-2020-16937",
      "title": ".NET Framework Information Disclosure Vulnerability",
      "component": ".NET Framework",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.7,
      "epss": 0.03288,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": true
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}