{
  "cveId": "CVE-2018-8626",
  "url": "https://patchblox.com/security/cve/CVE-2018-8626",
  "summary": "CVE-2018-8626 is fixed in 19 products on 1 platform, first by KB4471321, released December 11, 2018. It is not reported as exploited. Patch Radar priority: Urgent.",
  "title": "Windows DNS Server Heap Overflow Vulnerability",
  "description": "\u003Cp\u003EA remote code execution vulnerability exists in Windows \u003Ca href=\u0022undefinedhttps://technet.microsoft.com/en-us/library/security/dn848375.aspx#DNS\u0022\u003EDomain Name System (DNS)\u003C/a\u003E servers when they fail to properly handle requests. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the Local System Account. Windows servers that are configured as DNS servers are at risk from this vulnerability.\u003C/p\u003E\n\u003Cp\u003ETo exploit the vulnerability, an unauthenticated attacker could send malicious requests to a Windows DNS server.\u003C/p\u003E\n\u003Cp\u003EThe update addresses the vulnerability by modifying how Windows DNS servers handle requests.\u003C/p\u003E",
  "published": "2018-12-11T08:00:00Z",
  "severity": "Critical",
  "cvss": 9.8,
  "epss": 0.21241,
  "epssPercentile": 0.97605,
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8626",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.2665",
      "fix": "KB4471321",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471321",
      "released": "2018-12-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.2665",
      "fix": "KB4471321",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471321",
      "released": "2018-12-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for 32-bit Systems",
      "fixedVersion": "16299.846",
      "fix": "KB4471329",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471329",
      "released": "2018-12-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for ARM64-based Systems",
      "fixedVersion": "16299.846",
      "fix": "KB4471329",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471329",
      "released": "2018-12-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for x64-based Systems",
      "fixedVersion": "16299.846",
      "fix": "KB4471329",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471329",
      "released": "2018-12-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for 32-bit Systems",
      "fixedVersion": "17134.471",
      "fix": "KB4471324",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471324",
      "released": "2018-12-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for ARM64-based Systems",
      "fixedVersion": "17134.471",
      "fix": "KB4471324",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471324",
      "released": "2018-12-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for x64-based Systems",
      "fixedVersion": "17134.471",
      "fix": "KB4471324",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471324",
      "released": "2018-12-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "17763.194",
      "fix": "KB4471332",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471332",
      "released": "2018-12-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for ARM64-based Systems",
      "fixedVersion": "17763.194",
      "fix": "KB4471332",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471332",
      "released": "2018-12-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "17763.194",
      "fix": "KB4471332",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471332",
      "released": "2018-12-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4471320",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471320",
      "released": "2018-12-11T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4471322",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471322",
      "released": "2018-12-11T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4471320",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471320",
      "released": "2018-12-11T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4471322",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471322",
      "released": "2018-12-11T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.2665",
      "fix": "KB4471321",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471321",
      "released": "2018-12-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.2665",
      "fix": "KB4471321",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471321",
      "released": "2018-12-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.194",
      "fix": "KB4471332",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471332",
      "released": "2018-12-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.194",
      "fix": "KB4471332",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471332",
      "released": "2018-12-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1709  (Server Core Installation)",
      "fixedVersion": "16299.846",
      "fix": "KB4471329",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471329",
      "released": "2018-12-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1803  (Server Core Installation)",
      "fixedVersion": "17134.471",
      "fix": "KB4471324",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471324",
      "released": "2018-12-11T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}