{
  "cveId": "CVE-2019-0635",
  "url": "https://patchblox.com/security/cve/CVE-2019-0635",
  "summary": "CVE-2019-0635 is fixed in 22 products on 1 platform, first by KB4487026, released February 12, 2019. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Windows Hyper-V Information Disclosure Vulnerability",
  "description": "\u003Cp\u003EAn information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. To exploit the vulnerability, an attacker on a guest operating system could run a specially crafted application that could cause the Hyper-V host operating system to disclose memory information.\u003C/p\u003E\n\u003Cp\u003EAn attacker who successfully exploited the vulnerability could gain access to information on the Hyper-V 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": "2019-02-12T08:00:00Z",
  "severity": "Important",
  "cvss": 5.4,
  "epss": 0.02435,
  "epssPercentile": 0.84369,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-0635",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.2791",
      "fix": "KB4487026",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487026",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1703 for x64-based Systems",
      "fixedVersion": "15063.1631",
      "fix": "KB4487020",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487020",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for x64-based Systems",
      "fixedVersion": "16299.967",
      "fix": "KB4486996",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486996",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for x64-based Systems",
      "fixedVersion": "17134.590",
      "fix": "KB4487017",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487017",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "17763.316",
      "fix": "KB4487044",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487044",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for x64-based Systems",
      "fixedVersion": "10240.18132",
      "fix": "KB4487018",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487018",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4486564",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486564",
      "released": "2019-02-12T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4486563",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486563",
      "released": "2019-02-12T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB4487028",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487028",
      "released": "2019-02-12T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB4487000",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487000",
      "released": "2019-02-12T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4486564",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486564",
      "released": "2019-02-12T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4486563",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486563",
      "released": "2019-02-12T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4486564",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486564",
      "released": "2019-02-12T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4486563",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486563",
      "released": "2019-02-12T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4487023",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487023",
      "released": "2019-02-12T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4487019",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487019",
      "released": "2019-02-12T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4487023",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487023",
      "released": "2019-02-12T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4487019",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487019",
      "released": "2019-02-12T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4487025",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487025",
      "released": "2019-02-12T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4486993",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486993",
      "released": "2019-02-12T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4487025",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487025",
      "released": "2019-02-12T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4486993",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486993",
      "released": "2019-02-12T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4487028",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487028",
      "released": "2019-02-12T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4487000",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487000",
      "released": "2019-02-12T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4487028",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487028",
      "released": "2019-02-12T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4487000",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487000",
      "released": "2019-02-12T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.2791",
      "fix": "KB4487026",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487026",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.2791",
      "fix": "KB4487026",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487026",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.316",
      "fix": "KB4487044",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487044",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.316",
      "fix": "KB4487044",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487044",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1709  (Server Core Installation)",
      "fixedVersion": "16299.967",
      "fix": "KB4486996",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486996",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1803  (Server Core Installation)",
      "fixedVersion": "17134.590",
      "fix": "KB4487017",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487017",
      "released": "2019-02-12T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}