{
  "fix": "KB5005563",
  "url": "https://patchblox.com/security/fix/microsoft/kb5005563",
  "summary": "KB5005563, released July 13, 2021, fixes 5 CVEs across 14 products. 2 of them are being exploited (CVE-2021-40444); 2 on CISA KEV. Patch Radar priority: Patch now.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "July 2021 security update",
  "released": "2021-07-13T12:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2021-40444, exploited (CISA KEV, ransomware)",
  "supported": true,
  "cveCount": 5,
  "exploitedCveCount": 2,
  "kevCveCount": 2,
  "ransomwareCveCount": 1,
  "maxEpss": 0.9784,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://support.microsoft.com/help/5005563",
  "appliesTo": [
    {
      "product": "Windows 7 for 32-bit Systems Service Pack 1",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-7-for-32-bit-systems-service-pack-1",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows 7 for x64-based Systems Service Pack 1",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-7-for-x64-based-systems-service-pack-1",
      "fixedVersion": "",
      "supported": false
    },
    {
      "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 Server 2008 R2 for x64-based Systems Service Pack 1",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-2008-r2-for-x64-based-systems-service-pack-1",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-2008-r2-for-x64-based-systems-service-pack-1-server-core-installation",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-2008-for-32-bit-systems-service-pack-2",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-2008-for-32-bit-systems-service-pack-2-server-core-installation",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-2008-for-x64-based-systems-service-pack-2",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-2008-for-x64-based-systems-service-pack-2-server-core-installation",
      "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-2021-40444",
      "url": "https://patchblox.com/security/cve/CVE-2021-40444",
      "title": "Microsoft MSHTML Remote Code Execution Vulnerability",
      "component": "Windows MSHTML Platform",
      "impact": "Remote Code Execution",
      "priority": "Patch now",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.9784,
      "kev": true,
      "ransomware": true,
      "exploited": true,
      "disclosed": true
    },
    {
      "cveId": "CVE-2021-34448",
      "url": "https://patchblox.com/security/cve/CVE-2021-34448",
      "title": "Scripting Engine Memory Corruption Vulnerability",
      "component": "Microsoft Scripting Engine",
      "impact": "Remote Code Execution",
      "priority": "Patch now",
      "severity": "Critical",
      "cvss": 6.8,
      "epss": 0.40062,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-34497",
      "url": "https://patchblox.com/security/cve/CVE-2021-34497",
      "title": "Windows MSHTML Platform Remote Code Execution Vulnerability",
      "component": "Windows MSHTML Platform",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 6.8,
      "epss": 0.02145,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-34446",
      "url": "https://patchblox.com/security/cve/CVE-2021-34446",
      "title": "Windows HTML Platforms Security Feature Bypass Vulnerability",
      "component": "Windows HTML Platform",
      "impact": "Security Feature Bypass",
      "priority": "High",
      "severity": "Important",
      "cvss": 8,
      "epss": 0.02045,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-34447",
      "url": "https://patchblox.com/security/cve/CVE-2021-34447",
      "title": "Windows MSHTML Platform Remote Code Execution Vulnerability",
      "component": "Windows MSHTML Platform",
      "impact": "Remote Code Execution",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.8,
      "epss": 0.02045,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}