{
  "fix": "KB4457135",
  "url": "https://patchblox.com/security/fix/microsoft/kb4457135",
  "summary": "KB4457135, released September 11, 2018, fixes 21 CVEs across 3 products. One of them is being exploited (CVE-2018-8440); 1 on CISA KEV. Patch Radar priority: Patch now.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "September 2018 security update",
  "released": "2018-09-11T07:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2018-8440, exploited (CISA KEV, ransomware)",
  "supported": true,
  "cveCount": 21,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 1,
  "maxEpss": 0.48901,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://support.microsoft.com/help/4457135",
  "appliesTo": [
    {
      "product": "Internet Explorer 10 on Windows Server 2012",
      "productUrl": "https://patchblox.com/security/product/microsoft/internet-explorer-10-on-windows-server-2012",
      "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
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2018-8440",
      "url": "https://patchblox.com/security/cve/CVE-2018-8440",
      "title": "Windows ALPC Elevation of Privilege Vulnerability",
      "component": "Microsoft Windows",
      "impact": "Elevation of Privilege",
      "priority": "Patch now",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.1853,
      "kev": true,
      "ransomware": true,
      "exploited": true,
      "disclosed": true
    },
    {
      "cveId": "CVE-2018-8420",
      "url": "https://patchblox.com/security/cve/CVE-2018-8420",
      "title": "MS XML Remote Code Execution Vulnerability",
      "component": "Microsoft XML Core Services",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 7.5,
      "epss": 0.48901,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8332",
      "url": "https://patchblox.com/security/cve/CVE-2018-8332",
      "title": "Win32k Graphics Remote Code Execution Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.8,
      "epss": 0.1907,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8475",
      "url": "https://patchblox.com/security/cve/CVE-2018-8475",
      "title": "Windows Remote Code Execution Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.8,
      "epss": 0.15862,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": true
    },
    {
      "cveId": "CVE-2018-8457",
      "url": "https://patchblox.com/security/cve/CVE-2018-8457",
      "title": "Scripting Engine Memory Corruption Vulnerability",
      "component": "Microsoft Scripting Engine",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 4.2,
      "epss": 0.13076,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": true
    },
    {
      "cveId": "CVE-2018-8447",
      "url": "https://patchblox.com/security/cve/CVE-2018-8447",
      "title": "Internet Explorer Memory Corruption Vulnerability",
      "component": "Internet Explorer",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Moderate",
      "cvss": 6.4,
      "epss": 0.12895,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8468",
      "url": "https://patchblox.com/security/cve/CVE-2018-8468",
      "title": "Windows Elevation of Privilege Vulnerability",
      "component": "Windows Shell",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 4.3,
      "epss": 0.11765,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8410",
      "url": "https://patchblox.com/security/cve/CVE-2018-8410",
      "title": "Windows Registry Elevation of Privilege Vulnerability",
      "component": "Microsoft Windows",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.03978,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8442",
      "url": "https://patchblox.com/security/cve/CVE-2018-8442",
      "title": "Windows Kernel Information Disclosure Vulnerability",
      "component": "Windows Kernel",
      "impact": "Information Disclosure",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 4.7,
      "epss": 0.02782,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8392",
      "url": "https://patchblox.com/security/cve/CVE-2018-8392",
      "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": 0.22757,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8393",
      "url": "https://patchblox.com/security/cve/CVE-2018-8393",
      "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": 0.2248,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8444",
      "url": "https://patchblox.com/security/cve/CVE-2018-8444",
      "title": "Windows SMB Information Disclosure Vulnerability",
      "component": "Windows SMB Server",
      "impact": "Information Disclosure",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.05859,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8424",
      "url": "https://patchblox.com/security/cve/CVE-2018-8424",
      "title": "Windows GDI Information Disclosure Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.7,
      "epss": 0.12985,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8335",
      "url": "https://patchblox.com/security/cve/CVE-2018-8335",
      "title": "Windows SMB Denial of Service Vulnerability",
      "component": "Windows SMB Server",
      "impact": "Denial of Service",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.8,
      "epss": 0.08997,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8434",
      "url": "https://patchblox.com/security/cve/CVE-2018-8434",
      "title": "Windows Hyper-V Information Disclosure Vulnerability",
      "component": "Windows Hyper-V",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.4,
      "epss": 0.03494,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8315",
      "url": "https://patchblox.com/security/cve/CVE-2018-8315",
      "title": "Microsoft Scripting Engine Information Disclosure Vulnerability",
      "component": "Microsoft Scripting Engine",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.2,
      "epss": 0.03181,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8443",
      "url": "https://patchblox.com/security/cve/CVE-2018-8443",
      "title": "Windows Kernel Information Disclosure Vulnerability",
      "component": "Windows Kernel",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.7,
      "epss": 0.02782,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8446",
      "url": "https://patchblox.com/security/cve/CVE-2018-8446",
      "title": "Windows Kernel Information Disclosure Vulnerability",
      "component": "Windows Kernel",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.7,
      "epss": 0.02782,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8271",
      "url": "https://patchblox.com/security/cve/CVE-2018-8271",
      "title": "Windows Information Disclosure Vulnerability",
      "component": "Microsoft Windows",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 2.5,
      "epss": 0.02782,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8433",
      "url": "https://patchblox.com/security/cve/CVE-2018-8433",
      "title": "Microsoft Graphics Component Information Disclosure Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.7,
      "epss": 0.02634,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-8419",
      "url": "https://patchblox.com/security/cve/CVE-2018-8419",
      "title": "Windows Kernel Information Disclosure Vulnerability",
      "component": "Windows Media",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.7,
      "epss": 0.01675,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}