{
  "cveId": "CVE-2018-8320",
  "url": "https://patchblox.com/security/cve/CVE-2018-8320",
  "summary": "CVE-2018-8320 is fixed in 26 products on 1 platform, first by KB4462917, released October 9, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Windows DNS Security Feature Bypass Vulnerability",
  "description": "\u003Cp\u003EA security feature bypass vulnerability exists in DNS Global Blocklist feature.\u003C/p\u003E\n\u003Cp\u003EAn attacker who successfully exploited this vulnerability could redirect traffic to malicious DNS endpoints.\u003C/p\u003E\n\u003Cp\u003EThe update addresses the vulnerability by updating DNS Server Role record additions to not bypass the Global Query Blocklist.\u003C/p\u003E",
  "published": "2018-10-09T07:00:00Z",
  "severity": "Important",
  "cvss": 4.3,
  "epss": 0.04652,
  "epssPercentile": 0.91781,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8320",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.2551",
      "fix": "KB4462917",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462917",
      "released": "2018-10-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.2551",
      "fix": "KB4462917",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462917",
      "released": "2018-10-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for 32-bit Systems",
      "fixedVersion": "16299.726",
      "fix": "KB4462918",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462918",
      "released": "2018-10-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for x64-based Systems",
      "fixedVersion": "16299.726",
      "fix": "KB4462918",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462918",
      "released": "2018-10-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for 32-bit Systems",
      "fixedVersion": "17134.345",
      "fix": "KB4462919",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462919",
      "released": "2018-10-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for x64-based Systems",
      "fixedVersion": "17134.345",
      "fix": "KB4462919",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462919",
      "released": "2018-10-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "17763.55",
      "fix": "KB4464330",
      "url": "https://patchblox.com/security/fix/microsoft/kb4464330",
      "released": "2018-10-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "17763.55",
      "fix": "KB4464330",
      "url": "https://patchblox.com/security/fix/microsoft/kb4464330",
      "released": "2018-10-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4462915",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462915",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4462923",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462923",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4462915",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462915",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4462923",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462923",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4462915",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462915",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4462923",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462923",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4463097",
      "url": "https://patchblox.com/security/fix/microsoft/kb4463097",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4463104",
      "url": "https://patchblox.com/security/fix/microsoft/kb4463104",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4463097",
      "url": "https://patchblox.com/security/fix/microsoft/kb4463097",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4463104",
      "url": "https://patchblox.com/security/fix/microsoft/kb4463104",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for Itanium-Based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4463097",
      "url": "https://patchblox.com/security/fix/microsoft/kb4463097",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for Itanium-Based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4463104",
      "url": "https://patchblox.com/security/fix/microsoft/kb4463104",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4463097",
      "url": "https://patchblox.com/security/fix/microsoft/kb4463097",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4463104",
      "url": "https://patchblox.com/security/fix/microsoft/kb4463104",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4463097",
      "url": "https://patchblox.com/security/fix/microsoft/kb4463097",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4463104",
      "url": "https://patchblox.com/security/fix/microsoft/kb4463104",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4462931",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462931",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4462929",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462929",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4462931",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462931",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4462929",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462929",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4462941",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462941",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4462926",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462926",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4462941",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462941",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4462926",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462926",
      "released": "2018-10-09T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.2551",
      "fix": "KB4462917",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462917",
      "released": "2018-10-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.2551",
      "fix": "KB4462917",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462917",
      "released": "2018-10-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.55",
      "fix": "KB4464330",
      "url": "https://patchblox.com/security/fix/microsoft/kb4464330",
      "released": "2018-10-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.55",
      "fix": "KB4464330",
      "url": "https://patchblox.com/security/fix/microsoft/kb4464330",
      "released": "2018-10-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1709  (Server Core Installation)",
      "fixedVersion": "16299.726",
      "fix": "KB4462918",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462918",
      "released": "2018-10-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1803  (Server Core Installation)",
      "fixedVersion": "17134.345",
      "fix": "KB4462919",
      "url": "https://patchblox.com/security/fix/microsoft/kb4462919",
      "released": "2018-10-09T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}