{
  "fix": "KB4493160",
  "url": "https://patchblox.com/security/fix/microsoft/kb4493160",
  "summary": "KB4493160, released January 12, 2021, fixes 4 CVEs in Microsoft Office Online Server. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "January 2021 security update",
  "released": "2021-01-12T14:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2021-1716, high severity",
  "supported": false,
  "cveCount": 4,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.03888,
  "maxCvss": 7.8,
  "vendorAdvisory": "https://support.microsoft.com/help/4493160",
  "appliesTo": [
    {
      "product": "Microsoft Office Online Server",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-office-online-server",
      "fixedVersion": "",
      "supported": false
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-1715",
      "url": "https://patchblox.com/security/cve/CVE-2021-1715",
      "title": "Microsoft Word Remote Code Execution Vulnerability",
      "component": "Microsoft Office",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.03888,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-1716",
      "url": "https://patchblox.com/security/cve/CVE-2021-1716",
      "title": "Microsoft Word Remote Code Execution Vulnerability",
      "component": "Microsoft Office",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.03888,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-1713",
      "url": "https://patchblox.com/security/cve/CVE-2021-1713",
      "title": "Microsoft Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.03336,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-1714",
      "url": "https://patchblox.com/security/cve/CVE-2021-1714",
      "title": "Microsoft Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.03336,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}