{
  "fix": "KB4015551",
  "url": "https://patchblox.com/security/fix/microsoft/kb4015551",
  "summary": "KB4015551, released April 11, 2017, fixes 23 CVEs across 3 products. 3 of them are being exploited (CVE-2017-0199); 3 on CISA KEV. Patch Radar priority: Patch now.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "April 2017 security update",
  "released": "2017-04-11T07:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2017-0199, exploited (CISA KEV, ransomware)",
  "supported": true,
  "cveCount": 23,
  "exploitedCveCount": 3,
  "kevCveCount": 3,
  "ransomwareCveCount": 1,
  "maxEpss": 0.99497,
  "maxCvss": 8.1,
  "vendorAdvisory": "https://support.microsoft.com/help/4015551",
  "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-2017-0199",
      "url": "https://patchblox.com/security/cve/CVE-2017-0199",
      "title": "Microsoft Office/WordPad Remote Code Execution Vulnerability w/Windows",
      "component": "Microsoft Office",
      "impact": "Remote Code Execution",
      "priority": "Patch now",
      "severity": "Critical",
      "cvss": 6.7,
      "epss": 0.99497,
      "kev": true,
      "ransomware": true,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0210",
      "url": "https://patchblox.com/security/cve/CVE-2017-0210",
      "title": "Internet Explorer Elevation of Privilege Vulnerability",
      "component": "Internet Explorer",
      "impact": "Elevation of Privilege",
      "priority": "Patch now",
      "severity": "Important",
      "cvss": 3.5,
      "epss": 0.22334,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": true
    },
    {
      "cveId": "CVE-2016-0162",
      "url": "https://patchblox.com/security/cve/CVE-2016-0162",
      "title": "Internet Explorer Information Disclosure Vulnerability",
      "component": "Internet Explorer",
      "impact": "Information Disclosure",
      "priority": "Patch now",
      "severity": "Low",
      "epss": 0.21932,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0211",
      "url": "https://patchblox.com/security/cve/CVE-2017-0211",
      "title": "Windows OLE Elevation of Privilege Vulnerability",
      "component": "Microsoft Windows",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 5,
      "epss": 0.14087,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0201",
      "url": "https://patchblox.com/security/cve/CVE-2017-0201",
      "title": "Scripting Engine Memory Corruption Vulnerability",
      "component": "Microsoft Scripting Engine",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 6.4,
      "epss": 0.13877,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0158",
      "url": "https://patchblox.com/security/cve/CVE-2017-0158",
      "title": "Scripting Engine Memory Corruption Vulnerability",
      "component": "Microsoft Scripting Engine",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 7.5,
      "epss": 0.12793,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0180",
      "url": "https://patchblox.com/security/cve/CVE-2017-0180",
      "title": "Hyper-V Remote Code Execution Vulnerability",
      "component": "Windows Hyper-V",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 7.6,
      "epss": 0.03296,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0163",
      "url": "https://patchblox.com/security/cve/CVE-2017-0163",
      "title": "Hyper-V Remote Code Execution Vulnerability",
      "component": "Windows Hyper-V",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 7.6,
      "epss": 0.03147,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0166",
      "url": "https://patchblox.com/security/cve/CVE-2017-0166",
      "title": "LDAP Elevation of Privilege Vulnerability",
      "component": "Group Policy",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.1,
      "epss": 0.06415,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0168",
      "url": "https://patchblox.com/security/cve/CVE-2017-0168",
      "title": "Hyper-V Information Disclosure Vulnerability",
      "component": "Windows Hyper-V",
      "impact": "Information Disclosure",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.7,
      "epss": 0.05557,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0169",
      "url": "https://patchblox.com/security/cve/CVE-2017-0169",
      "title": "Windows Hyper-V Information Disclosure Vulnerability",
      "component": "Windows Hyper-V",
      "impact": "Information Disclosure",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.3,
      "epss": 0.01563,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0156",
      "url": "https://patchblox.com/security/cve/CVE-2017-0156",
      "title": "Win32k Elevation of Privilege Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.01144,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0042",
      "url": "https://patchblox.com/security/cve/CVE-2017-0042",
      "title": "Windows DirectShow Information Disclosure Vulnerability",
      "component": "Windows DirectShow",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 3.7,
      "epss": 0.29524,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2013-6629",
      "url": "https://patchblox.com/security/cve/CVE-2013-6629",
      "title": "libjpeg Information Disclosure Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.7,
      "epss": 0.0973,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0192",
      "url": "https://patchblox.com/security/cve/CVE-2017-0192",
      "title": "OpenType Font Driver Information Disclosure Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.4,
      "epss": 0.06034,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0185",
      "url": "https://patchblox.com/security/cve/CVE-2017-0185",
      "title": "Windows Hyper-V Denial of Service Vulnerability",
      "component": "Windows Hyper-V",
      "impact": "Denial of Service",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.8,
      "epss": 0.05673,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0191",
      "url": "https://patchblox.com/security/cve/CVE-2017-0191",
      "title": "Windows IPSec Denial of Service Vulnerability",
      "component": "Microsoft Windows",
      "impact": "Denial of Service",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.8,
      "epss": 0.04727,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0186",
      "url": "https://patchblox.com/security/cve/CVE-2017-0186",
      "title": "Windows Hyper-V Denial of Service Vulnerability",
      "component": "Windows Hyper-V",
      "impact": "Denial of Service",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.8,
      "epss": 0.04555,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0182",
      "url": "https://patchblox.com/security/cve/CVE-2017-0182",
      "title": "Windows Hyper-V Denial of Service Vulnerability",
      "component": "Windows Hyper-V",
      "impact": "Denial of Service",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.8,
      "epss": 0.04412,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0183",
      "url": "https://patchblox.com/security/cve/CVE-2017-0183",
      "title": "Windows Hyper-V Denial of Service Vulnerability",
      "component": "Windows Hyper-V",
      "impact": "Denial of Service",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.8,
      "epss": 0.04412,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0058",
      "url": "https://patchblox.com/security/cve/CVE-2017-0058",
      "title": "Win32k Information Disclosure Vulnerability",
      "component": "Windows Kernel-Mode Drivers",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.7,
      "epss": 0.03655,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0188",
      "url": "https://patchblox.com/security/cve/CVE-2017-0188",
      "title": "Win32k Information Disclosure Vulnerability",
      "component": "Windows Kernel-Mode Drivers",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.4,
      "epss": 0.02977,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2017-0184",
      "url": "https://patchblox.com/security/cve/CVE-2017-0184",
      "title": "Windows Hyper-V Denial of Service Vulnerability",
      "component": "Windows Hyper-V",
      "impact": "Denial of Service",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.4,
      "epss": 0.01682,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}