{
  "fix": "KB5019076",
  "url": "https://patchblox.com/security/fix/microsoft/kb5019076",
  "summary": "KB5019076, released August 9, 2022, fixes 5 CVEs in Microsoft Exchange Server 2013 Cumulative Update 23. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "August 2022 security update",
  "released": "2022-08-09T12:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2022-21980, exploitation more likely",
  "supported": false,
  "cveCount": 5,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.02736,
  "maxCvss": 8,
  "vendorAdvisory": "https://support.microsoft.com/help/5019076",
  "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-2022-21980",
      "url": "https://patchblox.com/security/cve/CVE-2022-21980",
      "title": "Microsoft Exchange Server Elevation of Privilege Vulnerability",
      "component": "Microsoft Exchange Server",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8,
      "epss": 0.02736,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-24516",
      "url": "https://patchblox.com/security/cve/CVE-2022-24516",
      "title": "Microsoft Exchange Server Elevation of Privilege Vulnerability",
      "component": "Microsoft Exchange Server",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8,
      "epss": 0.02448,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-24477",
      "url": "https://patchblox.com/security/cve/CVE-2022-24477",
      "title": "Microsoft Exchange Server Elevation of Privilege Vulnerability",
      "component": "Microsoft Exchange Server",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8,
      "epss": 0.02305,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21979",
      "url": "https://patchblox.com/security/cve/CVE-2022-21979",
      "title": "Microsoft Exchange Server Information Disclosure Vulnerability",
      "component": "Microsoft Exchange Server",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.8,
      "epss": 0.02222,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-30134",
      "url": "https://patchblox.com/security/cve/CVE-2022-30134",
      "title": "Microsoft Exchange Server Information Disclosure Vulnerability",
      "component": "Microsoft Exchange Server",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.5,
      "epss": 0.02136,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": true
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}