{
  "cveId": "CVE-2018-0959",
  "url": "https://patchblox.com/security/cve/CVE-2018-0959",
  "summary": "CVE-2018-0959 is fixed in 20 products on 1 platform, first by KB4103723, released May 8, 2018. It is not reported as exploited. Patch Radar priority: Urgent.",
  "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": "2018-05-08T07:00:00Z",
  "severity": "Critical",
  "cvss": 7.6,
  "epss": 0.09803,
  "epssPercentile": 0.9557,
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-0959",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.2248",
      "fix": "KB4103723",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103723",
      "released": "2018-05-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1703 for x64-based Systems",
      "fixedVersion": "15063.1088",
      "fix": "KB4103731",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103731",
      "released": "2018-05-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for x64-based Systems",
      "fixedVersion": "16299.431",
      "fix": "KB4103727",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103727",
      "released": "2018-05-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for x64-based Systems",
      "fixedVersion": "17134.48",
      "fix": "KB4103721",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103721",
      "released": "2018-05-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for x64-based Systems",
      "fixedVersion": "10240.17861",
      "fix": "KB4103716",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103716",
      "released": "2018-05-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4103718",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103718",
      "released": "2018-05-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4103712",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103712",
      "released": "2018-05-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB4103725",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103725",
      "released": "2018-05-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB4103715",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103715",
      "released": "2018-05-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows RT 8.1",
      "fixedVersion": "",
      "fix": "KB4103725",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103725",
      "released": "2018-05-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4103718",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103718",
      "released": "2018-05-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4103712",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103712",
      "released": "2018-05-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4103718",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103718",
      "released": "2018-05-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4103712",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103712",
      "released": "2018-05-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4094079",
      "url": "https://patchblox.com/security/fix/microsoft/kb4094079",
      "released": "2018-05-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4094079",
      "url": "https://patchblox.com/security/fix/microsoft/kb4094079",
      "released": "2018-05-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4103730",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103730",
      "released": "2018-05-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4103726",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103726",
      "released": "2018-05-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4103730",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103730",
      "released": "2018-05-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4103726",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103726",
      "released": "2018-05-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4103725",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103725",
      "released": "2018-05-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4103715",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103715",
      "released": "2018-05-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4103725",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103725",
      "released": "2018-05-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4103715",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103715",
      "released": "2018-05-08T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.2248",
      "fix": "KB4103723",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103723",
      "released": "2018-05-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.2248",
      "fix": "KB4103723",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103723",
      "released": "2018-05-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1709  (Server Core Installation)",
      "fixedVersion": "16299.431",
      "fix": "KB4103727",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103727",
      "released": "2018-05-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1803  (Server Core Installation)",
      "fixedVersion": "17134.48",
      "fix": "KB4103721",
      "url": "https://patchblox.com/security/fix/microsoft/kb4103721",
      "released": "2018-05-08T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}