{
  "cveId": "CVE-2018-8400",
  "url": "https://patchblox.com/security/cve/CVE-2018-8400",
  "summary": "CVE-2018-8400 is fixed in 6 products on 1 platform, first by KB4343897, released August 14, 2018. It is not reported as exploited. Patch Radar priority: High.",
  "title": "DirectX Graphics Kernel Elevation of Privilege Vulnerability",
  "description": "\u003Cp\u003EAn elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context.\u003C/p\u003E\n\u003Cp\u003ETo exploit the vulnerability, an attacker would first have to log on to the system, and then run a specially crafted application to take control over the affected system.\u003C/p\u003E\n\u003Cp\u003EThe security update addresses the vulnerability by correcting how DXGKRNL handles objects in memory.\u003C/p\u003E",
  "published": "2018-08-14T07:00:00Z",
  "severity": "Important",
  "cvss": 7,
  "epss": 0.02094,
  "epssPercentile": 0.81736,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8400",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for 32-bit Systems",
      "fixedVersion": "16299.611",
      "fix": "KB4343897",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343897",
      "released": "2018-08-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for x64-based Systems",
      "fixedVersion": "16299.611",
      "fix": "KB4343897",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343897",
      "released": "2018-08-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for 32-bit Systems",
      "fixedVersion": "17134.228",
      "fix": "KB4343909",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343909",
      "released": "2018-08-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for x64-based Systems",
      "fixedVersion": "17134.228",
      "fix": "KB4343909",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343909",
      "released": "2018-08-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1709  (Server Core Installation)",
      "fixedVersion": "16299.611",
      "fix": "KB4343897",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343897",
      "released": "2018-08-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1803  (Server Core Installation)",
      "fixedVersion": "17134.228",
      "fix": "KB4343909",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343909",
      "released": "2018-08-14T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}