{
  "cveId": "CVE-2017-8664",
  "url": "https://patchblox.com/security/cve/CVE-2017-8664",
  "summary": "CVE-2017-8664 is fixed in 11 products on 1 platform, first by KB4034660, released August 8, 2017. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Windows Hyper-V Remote Code Execution Vulnerability",
  "description": "\u003Cp\u003EA remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system. To exploit the vulnerability, an attacker could run a specially crafted application on a guest operating system that could cause the Hyper-V host operating system to execute arbitrary code.\u003C/p\u003E\n\u003Cp\u003EAn attacker who successfully exploited the vulnerability could execute arbitrary code on the host operating system.\u003C/p\u003E\n\u003Cp\u003EThe security update addresses the vulnerability by correcting how Hyper-V validates guest operating system user input.\u003C/p\u003E",
  "published": "2017-08-08T07:00:00Z",
  "severity": "Important",
  "cvss": 7.8,
  "epss": 0.0397,
  "epssPercentile": 0.90511,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2017-8664",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1511 for x64-based Systems",
      "fixedVersion": "10586.1045",
      "fix": "KB4034660",
      "url": "https://patchblox.com/security/fix/microsoft/kb4034660",
      "released": "2017-08-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.1593",
      "fix": "KB4034658",
      "url": "https://patchblox.com/security/fix/microsoft/kb4034658",
      "released": "2017-08-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1703 for x64-based Systems",
      "fixedVersion": "15063.540",
      "fix": "KB4034674",
      "url": "https://patchblox.com/security/fix/microsoft/kb4034674",
      "released": "2017-08-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for x64-based Systems",
      "fixedVersion": "10240.17533",
      "fix": "KB4034668",
      "url": "https://patchblox.com/security/fix/microsoft/kb4034668",
      "released": "2017-08-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB4034672",
      "url": "https://patchblox.com/security/fix/microsoft/kb4034672",
      "released": "2017-08-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB4034681",
      "url": "https://patchblox.com/security/fix/microsoft/kb4034681",
      "released": "2017-08-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4034666",
      "url": "https://patchblox.com/security/fix/microsoft/kb4034666",
      "released": "2017-08-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4034665",
      "url": "https://patchblox.com/security/fix/microsoft/kb4034665",
      "released": "2017-08-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4034666",
      "url": "https://patchblox.com/security/fix/microsoft/kb4034666",
      "released": "2017-08-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4034665",
      "url": "https://patchblox.com/security/fix/microsoft/kb4034665",
      "released": "2017-08-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4034672",
      "url": "https://patchblox.com/security/fix/microsoft/kb4034672",
      "released": "2017-08-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4034681",
      "url": "https://patchblox.com/security/fix/microsoft/kb4034681",
      "released": "2017-08-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4034672",
      "url": "https://patchblox.com/security/fix/microsoft/kb4034672",
      "released": "2017-08-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4034681",
      "url": "https://patchblox.com/security/fix/microsoft/kb4034681",
      "released": "2017-08-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.1593",
      "fix": "KB4034658",
      "url": "https://patchblox.com/security/fix/microsoft/kb4034658",
      "released": "2017-08-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.1593",
      "fix": "KB4034658",
      "url": "https://patchblox.com/security/fix/microsoft/kb4034658",
      "released": "2017-08-08T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T06:34:28Z"
}