{
  "fix": "KB4588741",
  "url": "https://patchblox.com/security/fix/microsoft/kb4588741",
  "summary": "KB4588741, released November 10, 2020, fixes 3 CVEs across 5 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": "November 2020 security update",
  "released": "2020-11-10T14:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2020-17084, high severity",
  "supported": false,
  "cveCount": 3,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.11981,
  "maxCvss": 8.5,
  "vendorAdvisory": "https://support.microsoft.com/help/4588741",
  "appliesTo": [
    {
      "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-exchange-server-2013-cumulative-update-23",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft Exchange Server 2016 Cumulative Update 17",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-exchange-server-2016-cumulative-update-17",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft Exchange Server 2016 Cumulative Update 18",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-exchange-server-2016-cumulative-update-18",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft Exchange Server 2019 Cumulative Update 6",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-exchange-server-2019-cumulative-update-6",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft Exchange Server 2019 Cumulative Update 7",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-exchange-server-2019-cumulative-update-7",
      "fixedVersion": "",
      "supported": false
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2020-17084",
      "url": "https://patchblox.com/security/cve/CVE-2020-17084",
      "title": "Microsoft Exchange Server Remote Code Execution Vulnerability",
      "component": "Microsoft Exchange Server",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.5,
      "epss": 0.03853,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-17083",
      "url": "https://patchblox.com/security/cve/CVE-2020-17083",
      "title": "Microsoft Exchange Server Remote Code Execution Vulnerability",
      "component": "Microsoft Exchange Server",
      "impact": "Remote Code Execution",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.5,
      "epss": 0.11981,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-17085",
      "url": "https://patchblox.com/security/cve/CVE-2020-17085",
      "title": "Microsoft Exchange Server Denial of Service Vulnerability",
      "component": "Microsoft Exchange Server",
      "impact": "Denial of Service",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.2,
      "epss": 0.03633,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}