{
  "fix": "KB4462918",
  "url": "https://patchblox.com/security/fix/microsoft/kb4462918",
  "summary": "KB4462918, released October 9, 2018, fixes 27 CVEs across 7 products. One of them is being exploited (CVE-2018-8453); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "October 2018 cumulative update for Windows 10 1709",
  "released": "2018-10-09T00:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2018-8453, exploited (CISA KEV, ransomware)",
  "supported": false,
  "cveCount": 27,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 1,
  "maxEpss": 0.70042,
  "maxCvss": 7.8,
  "vendorAdvisory": "https://support.microsoft.com/help/4462918",
  "appliesTo": [
    {
      "product": "Internet Explorer 11 on Windows 10 Version 1709 for 32-bit Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/internet-explorer-11-on-windows-10-version-1709-for-32-bit-systems",
      "fixedVersion": "16299.726",
      "supported": false
    },
    {
      "product": "Internet Explorer 11 on Windows 10 Version 1709 for x64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/internet-explorer-11-on-windows-10-version-1709-for-x64-based-systems",
      "fixedVersion": "16299.726",
      "supported": false
    },
    {
      "product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for 32-bit Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1709-for-32-bit-systems",
      "fixedVersion": "16299.726",
      "supported": false
    },
    {
      "product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for x64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1709-for-x64-based-systems",
      "fixedVersion": "16299.726",
      "supported": false
    },
    {
      "product": "Windows 10 Version 1709 for 32-bit Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-10-version-1709-for-32-bit-systems",
      "fixedVersion": "16299.726",
      "supported": false
    },
    {
      "product": "Windows 10 Version 1709 for x64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-10-version-1709-for-x64-based-systems",
      "fixedVersion": "16299.726",
      "supported": false
    },
    {
      "product": "Windows Server, version 1709  (Server Core Installation)",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-version-1709-server-core-installation",
      "fixedVersion": "16299.726",
      "supported": false
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2018-8453",
      "url": "https://patchblox.com/security/cve/CVE-2018-8453",
      "title": "Win32k Elevation of Privilege Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Elevation of Privilege",
      "priority": "Patch now",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.70042,
      "kev": true,
      "ransomware": true,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8413",
      "url": "https://patchblox.com/security/cve/CVE-2018-8413",
      "title": "Windows Theme API Remote Code Execution Vulnerability",
      "component": "Windows Shell",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 5,
      "epss": 0.46253,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8494",
      "url": "https://patchblox.com/security/cve/CVE-2018-8494",
      "title": "MS XML Remote Code Execution Vulnerability",
      "component": "Microsoft XML Core Services",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 7.5,
      "epss": 0.22094,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8460",
      "url": "https://patchblox.com/security/cve/CVE-2018-8460",
      "title": "Internet Explorer Memory Corruption Vulnerability",
      "component": "Internet Explorer",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 7.5,
      "epss": 0.20668,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8505",
      "url": "https://patchblox.com/security/cve/CVE-2018-8505",
      "title": "Chakra Scripting Engine Memory Corruption Vulnerability",
      "component": "Microsoft Scripting Engine",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 4.2,
      "epss": 0.14227,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8491",
      "url": "https://patchblox.com/security/cve/CVE-2018-8491",
      "title": "Internet Explorer Memory Corruption Vulnerability",
      "component": "Internet Explorer",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 7.5,
      "epss": 0.12788,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8509",
      "url": "https://patchblox.com/security/cve/CVE-2018-8509",
      "title": "Microsoft Edge Memory Corruption Vulnerability",
      "component": "Microsoft Edge",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 4.2,
      "epss": 0.12788,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8489",
      "url": "https://patchblox.com/security/cve/CVE-2018-8489",
      "title": "Windows Hyper-V Remote Code Execution Vulnerability",
      "component": "Windows Hyper-V",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 7.6,
      "epss": 0.04397,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8490",
      "url": "https://patchblox.com/security/cve/CVE-2018-8490",
      "title": "Windows Hyper-V Remote Code Execution Vulnerability",
      "component": "Windows Hyper-V",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 7.6,
      "epss": 0.04126,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8411",
      "url": "https://patchblox.com/security/cve/CVE-2018-8411",
      "title": "NTFS Elevation of Privilege Vulnerability",
      "component": "Microsoft Windows",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.0307,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8492",
      "url": "https://patchblox.com/security/cve/CVE-2018-8492",
      "title": "Device Guard Code Integrity Policy Security Feature Bypass Vulnerability",
      "component": "Device Guard",
      "impact": "Security Feature Bypass",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 5.3,
      "epss": 0.021,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8333",
      "url": "https://patchblox.com/security/cve/CVE-2018-8333",
      "title": "Microsoft Filter Manager Elevation Of Privilege Vulnerability",
      "component": "Microsoft Windows",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.01871,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8486",
      "url": "https://patchblox.com/security/cve/CVE-2018-8486",
      "title": "DirectX Information Disclosure Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Information Disclosure",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 4.7,
      "epss": 0.01747,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8497",
      "url": "https://patchblox.com/security/cve/CVE-2018-8497",
      "title": "Windows Kernel Elevation of Privilege Vulnerability",
      "component": "Windows Kernel",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.01112,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": true
    },
    {
      "cveId": "CVE-2018-8423",
      "url": "https://patchblox.com/security/cve/CVE-2018-8423",
      "title": "Microsoft JET Database Engine Remote Code Execution Vulnerability",
      "component": "Microsoft JET Database Engine",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.32152,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": true
    },
    {
      "cveId": "CVE-2018-8484",
      "url": "https://patchblox.com/security/cve/CVE-2018-8484",
      "title": "DirectX Graphics Kernel Elevation of Privilege Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.01182,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8495",
      "url": "https://patchblox.com/security/cve/CVE-2018-8495",
      "title": "Windows Shell Remote Code Execution Vulnerability",
      "component": "Windows Shell",
      "impact": "Remote Code Execution",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.2,
      "epss": 0.5101,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8472",
      "url": "https://patchblox.com/security/cve/CVE-2018-8472",
      "title": "Windows GDI Information Disclosure Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.7,
      "epss": 0.18869,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8503",
      "url": "https://patchblox.com/security/cve/CVE-2018-8503",
      "title": "Chakra Scripting Engine Memory Corruption Vulnerability",
      "component": "Microsoft Scripting Engine",
      "impact": "Remote Code Execution",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 4.2,
      "epss": 0.14227,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8493",
      "url": "https://patchblox.com/security/cve/CVE-2018-8493",
      "title": "Windows TCP/IP Information Disclosure Vulnerability",
      "component": "Microsoft Windows",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.9,
      "epss": 0.08897,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8530",
      "url": "https://patchblox.com/security/cve/CVE-2018-8530",
      "title": "Microsoft Edge Security Feature Bypass Vulnerability",
      "component": "Microsoft Edge",
      "impact": "Security Feature Bypass",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.3,
      "epss": 0.05473,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8481",
      "url": "https://patchblox.com/security/cve/CVE-2018-8481",
      "title": "Windows Media Player Information Disclosure Vulnerability",
      "component": "Windows Media Player",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 3.5,
      "epss": 0.05003,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8482",
      "url": "https://patchblox.com/security/cve/CVE-2018-8482",
      "title": "Windows Media Player Information Disclosure Vulnerability",
      "component": "Windows Media Player",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 3.5,
      "epss": 0.05003,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8320",
      "url": "https://patchblox.com/security/cve/CVE-2018-8320",
      "title": "Windows DNS Security Feature Bypass Vulnerability",
      "component": "Microsoft Windows DNS",
      "impact": "Security Feature Bypass",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.3,
      "epss": 0.04652,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8506",
      "url": "https://patchblox.com/security/cve/CVE-2018-8506",
      "title": "Microsoft Windows Codecs Library Information Disclosure Vulnerability",
      "component": "Microsoft Windows",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 3.3,
      "epss": 0.0436,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8512",
      "url": "https://patchblox.com/security/cve/CVE-2018-8512",
      "title": "Microsoft Edge Security Feature Bypass Vulnerability",
      "component": "Microsoft Edge",
      "impact": "Security Feature Bypass",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.2,
      "epss": 0.03451,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8330",
      "url": "https://patchblox.com/security/cve/CVE-2018-8330",
      "title": "Windows Kernel Information Disclosure Vulnerability",
      "component": "Windows Kernel",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.7,
      "epss": 0.02541,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}