{
  "fix": "KB4016871",
  "url": "https://patchblox.com/security/fix/microsoft/kb4016871",
  "summary": "KB4016871, released May 9, 2017, fixes 39 CVEs across 10 products. 2 of them are being exploited (CVE-2017-0222); 2 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "May 2017 cumulative update for Windows 10 1703",
  "released": "2017-05-09T00:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2017-0222, exploited (CISA KEV)",
  "supported": false,
  "cveCount": 39,
  "exploitedCveCount": 2,
  "kevCveCount": 2,
  "ransomwareCveCount": 0,
  "maxEpss": 0.38115,
  "maxCvss": 8.1,
  "vendorAdvisory": "https://support.microsoft.com/help/4016871",
  "appliesTo": [
    {
      "product": "Internet Explorer 11 on Windows 10 Version 1703 for 32-bit Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/internet-explorer-11-on-windows-10-version-1703-for-32-bit-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Internet Explorer 11 on Windows 10 Version 1703 for x64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/internet-explorer-11-on-windows-10-version-1703-for-x64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for 32-bit Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-3.5-on-windows-10-version-1703-for-32-bit-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for x64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-3.5-on-windows-10-version-1703-for-x64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft .NET Framework 4.7 on Windows 10 Version 1703 for 32-bit Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-4.7-on-windows-10-version-1703-for-32-bit-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft .NET Framework 4.7 on Windows 10 Version 1703 for x64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-4.7-on-windows-10-version-1703-for-x64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for 32-bit Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1703-for-32-bit-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for x64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1703-for-x64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows 10 Version 1703 for 32-bit Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-10-version-1703-for-32-bit-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows 10 Version 1703 for x64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-10-version-1703-for-x64-based-systems",
      "fixedVersion": "",
      "supported": false
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2017-0222",
      "url": "https://patchblox.com/security/cve/CVE-2017-0222",
      "title": "Internet Explorer Memory Corruption Vulnerability",
      "component": "Internet Explorer",
      "impact": "Remote Code Execution",
      "priority": "Patch now",
      "severity": "Moderate",
      "cvss": 6,
      "epss": 0.29645,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0263",
      "url": "https://patchblox.com/security/cve/CVE-2017-0263",
      "title": "Win32k Elevation of Privilege Vulnerability",
      "component": "Windows Kernel-Mode Drivers",
      "impact": "Elevation of Privilege",
      "priority": "Patch now",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.10034,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0234",
      "url": "https://patchblox.com/security/cve/CVE-2017-0234",
      "title": "Scripting Engine Memory Corruption Vulnerability",
      "component": "Microsoft Scripting Engine",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 4.2,
      "epss": 0.38115,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0266",
      "url": "https://patchblox.com/security/cve/CVE-2017-0266",
      "title": "Scripting Engine Memory Corruption Vulnerability",
      "component": "Microsoft Edge",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 4.2,
      "epss": 0.35821,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0236",
      "url": "https://patchblox.com/security/cve/CVE-2017-0236",
      "title": "Scripting Engine Memory Corruption Vulnerability",
      "component": "Microsoft Scripting Engine",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 4.2,
      "epss": 0.31582,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0238",
      "url": "https://patchblox.com/security/cve/CVE-2017-0238",
      "title": "Microsoft Edge Memory Corruption Vulnerability",
      "component": "Microsoft Scripting Engine",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Important",
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      "epss": 0.18074,
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      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0272",
      "url": "https://patchblox.com/security/cve/CVE-2017-0272",
      "title": "Windows SMB Remote Code Execution Vulnerability",
      "component": "Windows SMB Server",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
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      "epss": 0.17121,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0240",
      "url": "https://patchblox.com/security/cve/CVE-2017-0240",
      "title": "Scripting Engine Memory Corruption Vulnerability",
      "component": "Microsoft Edge",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
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      "epss": 0.14728,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0223",
      "url": "https://patchblox.com/security/cve/CVE-2017-0223",
      "title": "Scripting Engine Memory Corruption Vulnerability",
      "component": "Microsoft Scripting Engine",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 4.2,
      "epss": 0.14682,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0227",
      "url": "https://patchblox.com/security/cve/CVE-2017-0227",
      "title": "Scripting Engine Information Disclosure Vulnerability",
      "component": "Microsoft Edge",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 4.2,
      "epss": 0.13788,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0224",
      "url": "https://patchblox.com/security/cve/CVE-2017-0224",
      "title": "Scripting Engine Memory Corruption Vulnerability",
      "component": "Microsoft Edge",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
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      "kev": false,
      "ransomware": false,
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      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0235",
      "url": "https://patchblox.com/security/cve/CVE-2017-0235",
      "title": "Scripting Engine Memory Corruption Vulnerability",
      "component": "Microsoft Scripting Engine",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 4.2,
      "epss": 0.11059,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0277",
      "url": "https://patchblox.com/security/cve/CVE-2017-0277",
      "title": "Windows SMB Remote Code Execution Vulnerability",
      "component": "Windows SMB Server",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 7,
      "epss": 0.1085,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0278",
      "url": "https://patchblox.com/security/cve/CVE-2017-0278",
      "title": "Windows SMB Remote Code Execution Vulnerability",
      "component": "Windows SMB Server",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 7,
      "epss": 0.1085,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0279",
      "url": "https://patchblox.com/security/cve/CVE-2017-0279",
      "title": "Windows SMB Remote Code Execution Vulnerability",
      "component": "Windows SMB Server",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 7,
      "epss": 0.1085,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
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    {
      "cveId": "CVE-2017-0229",
      "url": "https://patchblox.com/security/cve/CVE-2017-0229",
      "title": "Scripting Engine Memory Corruption Vulnerability",
      "component": "Microsoft Scripting Engine",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 4.2,
      "epss": 0.10701,
      "kev": false,
      "ransomware": false,
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      "disclosed": true
    },
    {
      "cveId": "CVE-2017-0230",
      "url": "https://patchblox.com/security/cve/CVE-2017-0230",
      "title": "Scripting Engine Memory Corruption Vulnerability",
      "component": "Microsoft Scripting Engine",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 4.2,
      "epss": 0.10701,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0226",
      "url": "https://patchblox.com/security/cve/CVE-2017-0226",
      "title": "Internet Explorer Memory Corruption Vulnerability",
      "component": "Internet Explorer",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.09816,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0214",
      "url": "https://patchblox.com/security/cve/CVE-2017-0214",
      "title": "Windows COM Elevation of Privilege Vulnerability",
      "component": "Windows COM",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 6.7,
      "epss": 0.03457,
      "kev": false,
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      "exploited": false,
      "disclosed": false
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    {
      "cveId": "CVE-2017-0233",
      "url": "https://patchblox.com/security/cve/CVE-2017-0233",
      "title": "Microsoft Edge Elevation of Privilege Vulnerability",
      "component": "Microsoft Edge",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
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      "epss": 0.0308,
      "kev": false,
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      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0241",
      "url": "https://patchblox.com/security/cve/CVE-2017-0241",
      "title": "Microsoft Edge Elevation of Privilege Vulnerability",
      "component": "Microsoft Edge",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 3.1,
      "epss": 0.02869,
      "kev": false,
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      "disclosed": true
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    {
      "cveId": "CVE-2017-0077",
      "url": "https://patchblox.com/security/cve/CVE-2017-0077",
      "title": "Dxgkrnl.sys Elevation of Privilege Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Denial of Service",
      "priority": "Urgent",
      "severity": "Important",
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      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0271",
      "url": "https://patchblox.com/security/cve/CVE-2017-0271",
      "title": "Windows SMB Information Disclosure Vulnerability",
      "component": "Windows SMB Server",
      "impact": "Information Disclosure",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.13271,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0267",
      "url": "https://patchblox.com/security/cve/CVE-2017-0267",
      "title": "Windows SMB Information Disclosure Vulnerability",
      "component": "Windows SMB Server",
      "impact": "Information Disclosure",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.12681,
      "kev": false,
      "ransomware": false,
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      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0275",
      "url": "https://patchblox.com/security/cve/CVE-2017-0275",
      "title": "Windows SMB Information Disclosure Vulnerability",
      "component": "Windows SMB Server",
      "impact": "Information Disclosure",
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      "severity": "Important",
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      "epss": 0.07611,
      "kev": false,
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    },
    {
      "cveId": "CVE-2017-0268",
      "url": "https://patchblox.com/security/cve/CVE-2017-0268",
      "title": "Windows SMB Information Disclosure Vulnerability",
      "component": "Windows SMB Server",
      "impact": "Information Disclosure",
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      "epss": 0.07243,
      "kev": false,
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    },
    {
      "cveId": "CVE-2017-0270",
      "url": "https://patchblox.com/security/cve/CVE-2017-0270",
      "title": "Windows SMB Information Disclosure Vulnerability",
      "component": "Windows SMB Server",
      "impact": "Information Disclosure",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.07243,
      "kev": false,
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      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0276",
      "url": "https://patchblox.com/security/cve/CVE-2017-0276",
      "title": "Windows SMB Information Disclosure Vulnerability",
      "component": "Windows SMB Server",
      "impact": "Information Disclosure",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.07243,
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      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0280",
      "url": "https://patchblox.com/security/cve/CVE-2017-0280",
      "title": "Windows SMB Denial of Service Vulnerability",
      "component": "Windows SMB Server",
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      "priority": "High",
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    {
      "cveId": "CVE-2017-0274",
      "url": "https://patchblox.com/security/cve/CVE-2017-0274",
      "title": "Windows SMB Information Disclosure Vulnerability",
      "component": "Windows SMB Server",
      "impact": "Information Disclosure",
      "priority": "High",
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    {
      "cveId": "CVE-2017-0269",
      "url": "https://patchblox.com/security/cve/CVE-2017-0269",
      "title": "Windows SMB Denial of Service Vulnerability",
      "component": "Windows SMB Server",
      "impact": "Denial of Service",
      "priority": "High",
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    },
    {
      "cveId": "CVE-2017-0273",
      "url": "https://patchblox.com/security/cve/CVE-2017-0273",
      "title": "Windows SMB Denial of Service Vulnerability",
      "component": "Windows SMB Server",
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    },
    {
      "cveId": "CVE-2017-0248",
      "url": "https://patchblox.com/security/cve/CVE-2017-0248",
      "title": ".NET Security Feature Bypass Vulnerability",
      "component": ".NET Framework",
      "impact": "Security Feature Bypass",
      "priority": "High",
      "severity": "Important",
      "epss": 0.0551,
      "kev": false,
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    },
    {
      "cveId": "CVE-2017-0212",
      "url": "https://patchblox.com/security/cve/CVE-2017-0212",
      "title": "Windows Hyper-V vSMB Elevation of Privilege Vulnerability",
      "component": "Windows SMB Server",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.6,
      "epss": 0.01137,
      "kev": false,
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      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0259",
      "url": "https://patchblox.com/security/cve/CVE-2017-0259",
      "title": "Windows Kernel Information Disclosure Vulnerability",
      "component": "Windows Kernel",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.7,
      "epss": 0.09659,
      "kev": false,
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      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0258",
      "url": "https://patchblox.com/security/cve/CVE-2017-0258",
      "title": "Windows Kernel Information Disclosure Vulnerability",
      "component": "Windows Kernel",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
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      "epss": 0.07363,
      "kev": false,
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      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0064",
      "url": "https://patchblox.com/security/cve/CVE-2017-0064",
      "title": "Internet Explorer Security Feature Bypass Vulnerability",
      "component": "Internet Explorer",
      "impact": "Security Feature Bypass",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 2.4,
      "epss": 0.05195,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": true
    },
    {
      "cveId": "CVE-2017-0231",
      "url": "https://patchblox.com/security/cve/CVE-2017-0231",
      "title": "Microsoft Browser Spoofing Vulnerability",
      "component": "Microsoft Edge",
      "impact": "Spoofing",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.3,
      "epss": 0.03673,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": true
    },
    {
      "cveId": "CVE-2017-0246",
      "url": "https://patchblox.com/security/cve/CVE-2017-0246",
      "title": "Win32k Elevation of Privilege Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Denial of Service",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.7,
      "epss": 0.01301,
      "kev": false,
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      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}