{
  "fix": "KB4534761",
  "url": "https://patchblox.com/security/fix/microsoft/kb4534761",
  "summary": "KB4534761, released December 10, 2019, fixes 1 CVE in Skype for Business Server 2019  CU2. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "December 2019 security update",
  "released": "2019-12-10T08:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2019-1490, high severity",
  "supported": false,
  "cveCount": 1,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01535,
  "vendorAdvisory": "https://support.microsoft.com/help/4534761",
  "appliesTo": [
    {
      "product": "Skype for Business Server 2019  CU2",
      "productUrl": "https://patchblox.com/security/product/microsoft/skype-for-business-server-2019-cu2",
      "fixedVersion": "",
      "supported": false
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2019-1490",
      "url": "https://patchblox.com/security/cve/CVE-2019-1490",
      "title": "Skype for Business Server Spoofing Vulnerability",
      "component": "Skype for Business",
      "impact": "Spoofing",
      "priority": "High",
      "severity": "Important",
      "epss": 0.01535,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}