{
  "cveId": "CVE-2016-3237",
  "url": "https://patchblox.com/security/cve/CVE-2016-3237",
  "summary": "CVE-2016-3237 is fixed in 25 products on 1 platform, first by KB3167679, released August 9, 2016. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Kerberos Security Feature Bypass Vulnerability",
  "description": "\u003Cp\u003EA security feature bypass vulnerability exists in Windows when Kerberos improperly handles a password change request and falls back to NT LAN Manager (\u003Ca href=\u0022https://technet.microsoft.com/en-us/library/security/dn848375.aspx#NTLM\u0022\u003ENTLM\u003C/a\u003E) Authentication Protocol as the default authentication protocol.\u003C/p\u003E\n\u003Cp\u003EAn attacker who successfully exploited this vulnerability could use it to bypass Kerberos authentication. To exploit this vulnerability, an attacker would have to be able to launch a man-in-the-middle (\u003Ca href=\u0022https://technet.microsoft.com/en-us/library/security/dn848375.aspx#MiTM\u0022\u003EMiTM\u003C/a\u003E) attack against the traffic passing between a domain controller and the target machine.\u003C/p\u003E\n\u003Cp\u003EThe update addresses this vulnerability by preventing Kerberos from falling back to NTLM as the default authentication protocol during a domain account password change.\u003C/p\u003E",
  "published": "2016-08-09T07:00:00Z",
  "severity": "Important",
  "cvss": 6.4,
  "epss": 0.17181,
  "epssPercentile": 0.97105,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2016-3237",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "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": "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": "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": "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": "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": "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": "Windows 7 for 32-bit Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB3192391",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192391",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for 32-bit Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB3185330",
      "url": "https://patchblox.com/security/fix/microsoft/kb3185330",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB3192391",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192391",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB3185330",
      "url": "https://patchblox.com/security/fix/microsoft/kb3185330",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "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": "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": "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": "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": "Windows RT 8.1",
      "fixedVersion": "",
      "fix": "KB3185331",
      "url": "https://patchblox.com/security/fix/microsoft/kb3185331",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB3192391",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192391",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB3185330",
      "url": "https://patchblox.com/security/fix/microsoft/kb3185330",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB3192391",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192391",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB3185330",
      "url": "https://patchblox.com/security/fix/microsoft/kb3185330",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB3192391",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192391",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB3185330",
      "url": "https://patchblox.com/security/fix/microsoft/kb3185330",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB3167679",
      "url": "https://patchblox.com/security/fix/microsoft/kb3167679",
      "released": "2016-08-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB3167679",
      "url": "https://patchblox.com/security/fix/microsoft/kb3167679",
      "released": "2016-08-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for Itanium-Based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB3167679",
      "url": "https://patchblox.com/security/fix/microsoft/kb3167679",
      "released": "2016-08-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB3167679",
      "url": "https://patchblox.com/security/fix/microsoft/kb3167679",
      "released": "2016-08-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB3167679",
      "url": "https://patchblox.com/security/fix/microsoft/kb3167679",
      "released": "2016-08-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB3185332",
      "url": "https://patchblox.com/security/fix/microsoft/kb3185332",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB3192393",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192393",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB3185332",
      "url": "https://patchblox.com/security/fix/microsoft/kb3185332",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB3192393",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192393",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB3192392",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192392",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB3185331",
      "url": "https://patchblox.com/security/fix/microsoft/kb3185331",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB3192392",
      "url": "https://patchblox.com/security/fix/microsoft/kb3192392",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB3185331",
      "url": "https://patchblox.com/security/fix/microsoft/kb3185331",
      "released": "2016-10-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Vista Service Pack 2",
      "fixedVersion": "",
      "fix": "KB3167679",
      "url": "https://patchblox.com/security/fix/microsoft/kb3167679",
      "released": "2016-08-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Vista x64 Edition Service Pack 2",
      "fixedVersion": "",
      "fix": "KB3167679",
      "url": "https://patchblox.com/security/fix/microsoft/kb3167679",
      "released": "2016-08-09T07:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}