{
  "fix": "KB5022188",
  "url": "https://patchblox.com/security/fix/microsoft/kb5022188",
  "summary": "KB5022188, released January 10, 2023, fixes 1 CVE in Microsoft Exchange Server 2013 Cumulative Update 23. 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 2023 security update",
  "released": "2023-01-10T14:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2023-21762, high severity",
  "supported": false,
  "cveCount": 1,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01592,
  "maxCvss": 8,
  "vendorAdvisory": "https://support.microsoft.com/help/5022188",
  "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
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-21762",
      "url": "https://patchblox.com/security/cve/CVE-2023-21762",
      "title": "Microsoft Exchange Server Spoofing Vulnerability",
      "component": "Microsoft Exchange Server",
      "impact": "Spoofing",
      "priority": "High",
      "severity": "Important",
      "cvss": 8,
      "epss": 0.01592,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}