{
  "cveId": "CVE-2018-8231",
  "url": "https://patchblox.com/security/cve/CVE-2018-8231",
  "summary": "CVE-2018-8231 is fixed in 14 products on 1 platform, first by KB4284880, released June 12, 2018. It is not reported as exploited. Patch Radar priority: Urgent.",
  "title": "HTTP Protocol Stack Remote Code Execution Vulnerability",
  "description": "\u003Cp\u003EA remote code execution vulnerability exists when HTTP Protocol Stack (Http.sys) improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code and take control of the affected system.\u003C/p\u003E\n\u003Cp\u003ETo exploit the vulnerability, in most situations, an unauthenticated attacker could send a specially crafted packet to a targeted Http.sys server.\u003C/p\u003E\n\u003Cp\u003EThe security update fixes this vulnerability by correcting how HTTP Protocol Stack(Http.sys) handles objects in memory.\u003C/p\u003E",
  "published": "2018-06-12T07:00:00Z",
  "severity": "Critical",
  "cvss": 8.1,
  "epss": 0.16979,
  "epssPercentile": 0.97081,
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8231",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.2312",
      "fix": "KB4284880",
      "url": "https://patchblox.com/security/fix/microsoft/kb4284880",
      "released": "2018-06-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.2312",
      "fix": "KB4284880",
      "url": "https://patchblox.com/security/fix/microsoft/kb4284880",
      "released": "2018-06-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1703 for 32-bit Systems",
      "fixedVersion": "15063.1155",
      "fix": "KB4284874",
      "url": "https://patchblox.com/security/fix/microsoft/kb4284874",
      "released": "2018-06-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1703 for x64-based Systems",
      "fixedVersion": "15063.1155",
      "fix": "KB4284874",
      "url": "https://patchblox.com/security/fix/microsoft/kb4284874",
      "released": "2018-06-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for 32-bit Systems",
      "fixedVersion": "16299.492",
      "fix": "KB4284819",
      "url": "https://patchblox.com/security/fix/microsoft/kb4284819",
      "released": "2018-06-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for x64-based Systems",
      "fixedVersion": "16299.492",
      "fix": "KB4284819",
      "url": "https://patchblox.com/security/fix/microsoft/kb4284819",
      "released": "2018-06-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for 32-bit Systems",
      "fixedVersion": "17134.112",
      "fix": "KB4284835",
      "url": "https://patchblox.com/security/fix/microsoft/kb4284835",
      "released": "2018-06-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for x64-based Systems",
      "fixedVersion": "17134.112",
      "fix": "KB4284835",
      "url": "https://patchblox.com/security/fix/microsoft/kb4284835",
      "released": "2018-06-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for 32-bit Systems",
      "fixedVersion": "10240.17889",
      "fix": "KB4284860",
      "url": "https://patchblox.com/security/fix/microsoft/kb4284860",
      "released": "2018-06-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for x64-based Systems",
      "fixedVersion": "10240.17889",
      "fix": "KB4284860",
      "url": "https://patchblox.com/security/fix/microsoft/kb4284860",
      "released": "2018-06-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.2312",
      "fix": "KB4284880",
      "url": "https://patchblox.com/security/fix/microsoft/kb4284880",
      "released": "2018-06-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.2312",
      "fix": "KB4284880",
      "url": "https://patchblox.com/security/fix/microsoft/kb4284880",
      "released": "2018-06-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1709  (Server Core Installation)",
      "fixedVersion": "16299.492",
      "fix": "KB4284819",
      "url": "https://patchblox.com/security/fix/microsoft/kb4284819",
      "released": "2018-06-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1803  (Server Core Installation)",
      "fixedVersion": "17134.112",
      "fix": "KB4284835",
      "url": "https://patchblox.com/security/fix/microsoft/kb4284835",
      "released": "2018-06-12T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}