{
  "fix": "KB4530684",
  "url": "https://patchblox.com/security/fix/microsoft/kb4530684",
  "summary": "KB4530684, released December 10, 2019, fixes 18 CVEs across 17 products. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "December 2019 cumulative update for Windows 10 1903",
  "released": "2019-12-10T00:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2018-0859, exploitation more likely",
  "supported": false,
  "cveCount": 18,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.17729,
  "maxCvss": 8.4,
  "vendorAdvisory": "https://support.microsoft.com/help/4530684",
  "appliesTo": [
    {
      "product": "Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/internet-explorer-11-on-windows-10-version-1903-for-32-bit-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Internet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/internet-explorer-11-on-windows-10-version-1903-for-arm64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Internet Explorer 11 on Windows 10 Version 1903 for x64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/internet-explorer-11-on-windows-10-version-1903-for-x64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Internet Explorer 11 on Windows 10 Version 1909 for 32-bit Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/internet-explorer-11-on-windows-10-version-1909-for-32-bit-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Internet Explorer 11 on Windows 10 Version 1909 for ARM64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/internet-explorer-11-on-windows-10-version-1909-for-arm64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Internet Explorer 11 on Windows 10 Version 1909 for x64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/internet-explorer-11-on-windows-10-version-1909-for-x64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for 32-bit Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1903-for-32-bit-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for ARM64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1903-for-arm64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for x64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1903-for-x64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows 10 Version 1903 for 32-bit Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-10-version-1903-for-32-bit-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows 10 Version 1903 for ARM64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-10-version-1903-for-arm64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows 10 Version 1903 for x64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-10-version-1903-for-x64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows 10 Version 1909 for 32-bit Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-10-version-1909-for-32-bit-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows 10 Version 1909 for ARM64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-10-version-1909-for-arm64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows 10 Version 1909 for x64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-10-version-1909-for-x64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows Server, version 1903 (Server Core installation)",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-version-1903-server-core-installation",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows Server, version 1909 (Server Core installation)",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-version-1909-server-core-installation",
      "fixedVersion": "",
      "supported": false
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2018-0859",
      "url": "https://patchblox.com/security/cve/CVE-2018-0859",
      "title": "Scripting Engine Memory Corruption Vulnerability",
      "component": "Microsoft Scripting Engine",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 4.2,
      "epss": 0.17729,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-1468",
      "url": "https://patchblox.com/security/cve/CVE-2019-1468",
      "title": "Win32k Graphics Remote Code Execution Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.4,
      "epss": 0.17684,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-0860",
      "url": "https://patchblox.com/security/cve/CVE-2019-0860",
      "title": "Chakra Scripting Engine Memory Corruption Vulnerability",
      "component": "Microsoft Scripting Engine",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 4.2,
      "epss": 0.10799,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-1485",
      "url": "https://patchblox.com/security/cve/CVE-2019-1485",
      "title": "VBScript Remote Code Execution Vulnerability",
      "component": "Microsoft Scripting Engine",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Low",
      "cvss": 6.4,
      "epss": 0.08205,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-1471",
      "url": "https://patchblox.com/security/cve/CVE-2019-1471",
      "title": "Windows Hyper-V Remote Code Execution Vulnerability",
      "component": "Windows Hyper-V",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.2,
      "epss": 0.08034,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-1469",
      "url": "https://patchblox.com/security/cve/CVE-2019-1469",
      "title": "Win32k Information Disclosure Vulnerability",
      "component": "Windows Kernel",
      "impact": "Information Disclosure",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 5.5,
      "epss": 0.01646,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-1453",
      "url": "https://patchblox.com/security/cve/CVE-2019-1453",
      "title": "Windows Remote Desktop Protocol (RDP) Denial of Service Vulnerability",
      "component": "Microsoft Windows",
      "impact": "Denial of Service",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.09745,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-1484",
      "url": "https://patchblox.com/security/cve/CVE-2019-1484",
      "title": "Windows OLE Remote Code Execution Vulnerability",
      "component": "Windows OLE",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.09476,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-1476",
      "url": "https://patchblox.com/security/cve/CVE-2019-1476",
      "title": "Windows Elevation of Privilege Vulnerability",
      "component": "Microsoft Windows",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.05092,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-1483",
      "url": "https://patchblox.com/security/cve/CVE-2019-1483",
      "title": "Windows Elevation of Privilege Vulnerability",
      "component": "Microsoft Windows",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.01876,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-1470",
      "url": "https://patchblox.com/security/cve/CVE-2019-1470",
      "title": "Windows Hyper-V Information Disclosure Vulnerability",
      "component": "Windows Hyper-V",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6,
      "epss": 0.06669,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-1465",
      "url": "https://patchblox.com/security/cve/CVE-2019-1465",
      "title": "Windows GDI Information Disclosure Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.5,
      "epss": 0.06016,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-1466",
      "url": "https://patchblox.com/security/cve/CVE-2019-1466",
      "title": "Windows GDI Information Disclosure Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.5,
      "epss": 0.06016,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-1467",
      "url": "https://patchblox.com/security/cve/CVE-2019-1467",
      "title": "Windows GDI Information Disclosure Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.5,
      "epss": 0.06013,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-0838",
      "url": "https://patchblox.com/security/cve/CVE-2019-0838",
      "title": "Windows Information Disclosure Vulnerability",
      "component": "Microsoft Windows",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.6,
      "epss": 0.02058,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-1472",
      "url": "https://patchblox.com/security/cve/CVE-2019-1472",
      "title": "Windows Kernel Information Disclosure Vulnerability",
      "component": "Windows Kernel",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.5,
      "epss": 0.01556,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-1474",
      "url": "https://patchblox.com/security/cve/CVE-2019-1474",
      "title": "Windows Kernel Information Disclosure Vulnerability",
      "component": "Microsoft Windows",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.5,
      "epss": 0.01556,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-1488",
      "url": "https://patchblox.com/security/cve/CVE-2019-1488",
      "title": "Microsoft Defender Security Feature Bypass Vulnerability",
      "component": "Microsoft Windows",
      "impact": "Security Feature Bypass",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 3.3,
      "epss": 0.0086,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}