{
  "fix": "KB4470124",
  "url": "https://patchblox.com/security/fix/microsoft/kb4470124",
  "summary": "KB4470124, released October 10, 2023, fixes 4 CVEs in Skype for Business Server 2019 CU7. One of them is being exploited (CVE-2023-41763); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "October 2023 security update",
  "released": "2023-10-10T12:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2023-41763, exploited (CISA KEV)",
  "supported": false,
  "cveCount": 4,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 0,
  "maxEpss": 0.90282,
  "maxCvss": 7.2,
  "vendorAdvisory": "https://support.microsoft.com/help/4470124",
  "appliesTo": [
    {
      "product": "Skype for Business Server 2019 CU7",
      "productUrl": "https://patchblox.com/security/product/microsoft/skype-for-business-server-2019-cu7",
      "fixedVersion": "",
      "supported": false
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-41763",
      "url": "https://patchblox.com/security/cve/CVE-2023-41763",
      "title": "Skype for Business Elevation of Privilege Vulnerability",
      "component": "Skype for Business",
      "impact": "Elevation of Privilege",
      "priority": "Patch now",
      "severity": "Important",
      "cvss": 5.3,
      "epss": 0.90282,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": true
    },
    {
      "cveId": "CVE-2023-36780",
      "url": "https://patchblox.com/security/cve/CVE-2023-36780",
      "title": "Skype for Business Remote Code Execution Vulnerability",
      "component": "Skype for Business",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7.2,
      "epss": 0.02682,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-36786",
      "url": "https://patchblox.com/security/cve/CVE-2023-36786",
      "title": "Skype for Business Remote Code Execution Vulnerability",
      "component": "Skype for Business",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.2,
      "epss": 0.02572,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-36789",
      "url": "https://patchblox.com/security/cve/CVE-2023-36789",
      "title": "Skype for Business Remote Code Execution Vulnerability",
      "component": "Skype for Business",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.2,
      "epss": 0.02541,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}