{
  "fix": "KB4592471",
  "url": "https://patchblox.com/security/fix/microsoft/kb4592471",
  "summary": "KB4592471, released December 8, 2020, fixes 9 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "December 2020 security update",
  "released": "2020-12-08T14:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2020-17140, high severity",
  "supported": false,
  "cveCount": 9,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.15348,
  "maxCvss": 8.1,
  "vendorAdvisory": "https://support.microsoft.com/help/4592471",
  "appliesTo": [
    {
      "product": "Windows 7 for 32-bit Systems Service Pack 1",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-7-for-32-bit-systems-service-pack-1",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows 7 for x64-based Systems Service Pack 1",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-7-for-x64-based-systems-service-pack-1",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-2008-r2-for-x64-based-systems-service-pack-1",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-2008-r2-for-x64-based-systems-service-pack-1-server-core-installation",
      "fixedVersion": "",
      "supported": false
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2020-17140",
      "url": "https://patchblox.com/security/cve/CVE-2020-17140",
      "title": "Windows SMB Information Disclosure Vulnerability",
      "component": "Windows SMB",
      "impact": "Information Disclosure",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.1,
      "epss": 0.15348,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-16960",
      "url": "https://patchblox.com/security/cve/CVE-2020-16960",
      "title": "Windows Backup Engine Elevation of Privilege Vulnerability",
      "component": "Windows Backup Engine",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.01267,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-16961",
      "url": "https://patchblox.com/security/cve/CVE-2020-16961",
      "title": "Windows Backup Engine Elevation of Privilege Vulnerability",
      "component": "Windows Backup Engine",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.01267,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-16958",
      "url": "https://patchblox.com/security/cve/CVE-2020-16958",
      "title": "Windows Backup Engine Elevation of Privilege Vulnerability",
      "component": "Windows Backup Engine",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.01139,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-16959",
      "url": "https://patchblox.com/security/cve/CVE-2020-16959",
      "title": "Windows Backup Engine Elevation of Privilege Vulnerability",
      "component": "Windows Backup Engine",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.01139,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-16962",
      "url": "https://patchblox.com/security/cve/CVE-2020-16962",
      "title": "Windows Backup Engine Elevation of Privilege Vulnerability",
      "component": "Windows Backup Engine",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.01139,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-16963",
      "url": "https://patchblox.com/security/cve/CVE-2020-16963",
      "title": "Windows Backup Engine Elevation of Privilege Vulnerability",
      "component": "Windows Backup Engine",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.01139,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-16964",
      "url": "https://patchblox.com/security/cve/CVE-2020-16964",
      "title": "Windows Backup Engine Elevation of Privilege Vulnerability",
      "component": "Windows Backup Engine",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.01139,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-17098",
      "url": "https://patchblox.com/security/cve/CVE-2020-17098",
      "title": "Windows GDI\u002B Information Disclosure Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.5,
      "epss": 0.01402,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}