{
  "cveId": "CVE-2017-8495",
  "url": "https://patchblox.com/security/cve/CVE-2017-8495",
  "summary": "CVE-2017-8495 is fixed in 27 products on 1 platform, first by KB4025344, released July 11, 2017. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Kerberos SNAME Security Feature Bypass Vulnerability",
  "description": "\u003Cp\u003EA security feature bypass vulnerability exists in Microsoft Windows when Kerberos fails to prevent tampering with the SNAME field during ticket exchange. An attacker who successfully exploited this vulnerability could use it to bypass Extended Protection for Authentication.\u003C/p\u003E\n\u003Cp\u003ETo 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 client and the server.\u003C/p\u003E\n\u003Cp\u003EThe update addresses this vulnerability by adding integrity protection to the SNAME field.\u003C/p\u003E",
  "published": "2017-07-11T07:00:00Z",
  "severity": "Important",
  "cvss": 7.5,
  "epss": 0.04621,
  "epssPercentile": 0.91738,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2017-8495",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1511 for 32-bit Systems",
      "fixedVersion": "10586.1007",
      "fix": "KB4025344",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025344",
      "released": "2017-07-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1511 for x64-based Systems",
      "fixedVersion": "10586.1007",
      "fix": "KB4025344",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025344",
      "released": "2017-07-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.1480",
      "fix": "KB4025339",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025339",
      "released": "2017-07-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.1480",
      "fix": "KB4025339",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025339",
      "released": "2017-07-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1703 for 32-bit Systems",
      "fixedVersion": "15063.483",
      "fix": "KB4025342",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025342",
      "released": "2017-07-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1703 for x64-based Systems",
      "fixedVersion": "15063.483",
      "fix": "KB4025342",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025342",
      "released": "2017-07-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for 32-bit Systems",
      "fixedVersion": "10240.17488",
      "fix": "KB4025338",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025338",
      "released": "2017-07-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for x64-based Systems",
      "fixedVersion": "10240.17488",
      "fix": "KB4025338",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025338",
      "released": "2017-07-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for 32-bit Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4025341",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025341",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for 32-bit Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4025337",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025337",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4025341",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025341",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4025337",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025337",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for 32-bit systems",
      "fixedVersion": "",
      "fix": "KB4025333",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025333",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for 32-bit systems",
      "fixedVersion": "",
      "fix": "KB4025336",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025336",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB4025333",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025333",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB4025336",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025336",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows RT 8.1",
      "fixedVersion": "",
      "fix": "KB4025336",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025336",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4025341",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025341",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4025337",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025337",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4025341",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025341",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4025337",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025337",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4025341",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025341",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4025337",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025337",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4022746",
      "url": "https://patchblox.com/security/fix/microsoft/kb4022746",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4022746",
      "url": "https://patchblox.com/security/fix/microsoft/kb4022746",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for Itanium-Based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4022746",
      "url": "https://patchblox.com/security/fix/microsoft/kb4022746",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4022746",
      "url": "https://patchblox.com/security/fix/microsoft/kb4022746",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4022746",
      "url": "https://patchblox.com/security/fix/microsoft/kb4022746",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4025343",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025343",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4025331",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025331",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4025343",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025343",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4025331",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025331",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4025333",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025333",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4025336",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025336",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4025333",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025333",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4025336",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025336",
      "released": "2017-07-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.1480",
      "fix": "KB4025339",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025339",
      "released": "2017-07-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.1480",
      "fix": "KB4025339",
      "url": "https://patchblox.com/security/fix/microsoft/kb4025339",
      "released": "2017-07-11T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T06:34:28Z"
}