{
  "cveId": "CVE-2016-3388",
  "url": "https://patchblox.com/security/cve/CVE-2016-3388",
  "summary": "CVE-2016-3388 is fixed in 17 products on 1 platform, first by KB3192441, released October 11, 2016. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.",
  "title": "Microsoft Browser Elevation of Privilege Vulnerability",
  "description": "\u003Cp\u003EAn elevation of privilege vulnerability exists when affected Microsoft browsers fail to properly secure private namespace. An attacker who successfully exploited this vulnerability could gain elevated permissions on the namespace directory of a vulnerable system and gain elevated privileges.\u003C/p\u003E\n\u003Cp\u003EThe vulnerability by itself does not allow arbitrary code to be run. However, this vulnerability could be used in conjunction with one or more other vulnerabilities (e.g. a remote code execution vulnerability and another elevation of privilege) that could take advantage of the elevated privileges when running.\u003C/p\u003E\n\u003Cp\u003EThe update addresses the vulnerability by correcting how Microsoft browsers handle namespace boundaries.\u003C/p\u003E",
  "published": "2016-10-11T07:00:00Z",
  "severity": "Important",
  "epss": 0.27587,
  "epssPercentile": 0.98089,
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation More Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2016-3388",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Internet Explorer 10 on Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB3185332",
      "url": "https://patchblox.com/security/fix/microsoft/kb3185332",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Internet Explorer 10 on Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB3192393",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192393",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Internet Explorer 11 on Windows 10 Version 1511 for 32-bit Systems",
      "fixedVersion": "10586.633",
      "fix": "KB3192441",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192441",
      "released": "2016-10-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Internet Explorer 11 on Windows 10 Version 1511 for x64-based Systems",
      "fixedVersion": "10586.633",
      "fix": "KB3192441",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192441",
      "released": "2016-10-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Internet Explorer 11 on Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.321",
      "fix": "KB3194798",
      "url": "https://patchblox.com/security/fix/microsoft/kb3194798",
      "released": "2016-10-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Internet Explorer 11 on Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.321",
      "fix": "KB3194798",
      "url": "https://patchblox.com/security/fix/microsoft/kb3194798",
      "released": "2016-10-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Internet Explorer 11 on Windows 10 for 32-bit Systems",
      "fixedVersion": "10240.17146",
      "fix": "KB3192440",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192440",
      "released": "2016-10-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Internet Explorer 11 on Windows 10 for x64-based Systems",
      "fixedVersion": "10240.17146",
      "fix": "KB3192440",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192440",
      "released": "2016-10-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Internet Explorer 11 on Windows 8.1 for 32-bit systems",
      "fixedVersion": "",
      "fix": "KB3192392",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192392",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Internet Explorer 11 on Windows 8.1 for 32-bit systems",
      "fixedVersion": "",
      "fix": "KB3185331",
      "url": "https://patchblox.com/security/fix/microsoft/kb3185331",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Internet Explorer 11 on Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB3192392",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192392",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Internet Explorer 11 on Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB3185331",
      "url": "https://patchblox.com/security/fix/microsoft/kb3185331",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Internet Explorer 11 on Windows RT 8.1",
      "fixedVersion": "",
      "fix": "KB3185331",
      "url": "https://patchblox.com/security/fix/microsoft/kb3185331",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Internet Explorer 11 on Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB3192392",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192392",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Internet Explorer 11 on Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB3185331",
      "url": "https://patchblox.com/security/fix/microsoft/kb3185331",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1511 for 32-bit Systems",
      "fixedVersion": "10586.633",
      "fix": "KB3192441",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192441",
      "released": "2016-10-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1511 for x64-based Systems",
      "fixedVersion": "10586.633",
      "fix": "KB3192441",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192441",
      "released": "2016-10-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.321",
      "fix": "KB3194798",
      "url": "https://patchblox.com/security/fix/microsoft/kb3194798",
      "released": "2016-10-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.321",
      "fix": "KB3194798",
      "url": "https://patchblox.com/security/fix/microsoft/kb3194798",
      "released": "2016-10-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Edge (EdgeHTML-based) on Windows 10 for 32-bit Systems",
      "fixedVersion": "10240.17146",
      "fix": "KB3192440",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192440",
      "released": "2016-10-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Edge (EdgeHTML-based) on Windows 10 for x64-based Systems",
      "fixedVersion": "10240.17146",
      "fix": "KB3192440",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192440",
      "released": "2016-10-11T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T06:34:28Z"
}