{
  "fix": "KB3146723",
  "url": "https://patchblox.com/security/fix/microsoft/kb3146723",
  "summary": "KB3146723, released April 12, 2016, fixes 1 CVE across 7 products. One of them is being exploited (CVE-2016-0151); 1 on CISA KEV. Patch Radar priority: Patch now.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "April 2016 security update",
  "released": "2016-04-12T07:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2016-0151, exploited (CISA KEV, ransomware)",
  "supported": true,
  "cveCount": 1,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 1,
  "maxEpss": 0.62823,
  "vendorAdvisory": "https://support.microsoft.com/help/3146723",
  "appliesTo": [
    {
      "product": "Windows 8.1 for 32-bit systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-8.1-for-32-bit-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows 8.1 for x64-based systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-8.1-for-x64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows RT 8.1",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-rt-8.1",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows Server 2012",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-2012",
      "fixedVersion": "",
      "supported": true
    },
    {
      "product": "Windows Server 2012 (Server Core installation)",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-2012-server-core-installation",
      "fixedVersion": "",
      "supported": true
    },
    {
      "product": "Windows Server 2012 R2",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-2012-r2",
      "fixedVersion": "",
      "supported": true
    },
    {
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-2012-r2-server-core-installation",
      "fixedVersion": "",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2016-0151",
      "url": "https://patchblox.com/security/cve/CVE-2016-0151",
      "title": "Windows CSRSS Security Feature Bypass Vulnerability",
      "component": "CSRSS",
      "impact": "Security Feature Bypass",
      "priority": "Patch now",
      "severity": "Important",
      "epss": 0.62823,
      "kev": true,
      "ransomware": true,
      "exploited": true,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}