{
  "cveId": "CVE-2018-8222",
  "url": "https://patchblox.com/security/cve/CVE-2018-8222",
  "summary": "CVE-2018-8222 is fixed in 14 products on 1 platform, first by KB4338814, released July 10, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Device Guard Code Integrity Policy Security Feature Bypass Vulnerability",
  "description": "\u003Cp\u003EA security feature bypass vulnerability exists in Device Guard that could allow an attacker to inject malicious code into a Windows PowerShell session. An attacker who successfully exploited this vulnerability could inject code into a trusted PowerShell process to bypass the Device Guard Code Integrity policy on the local machine.\u003C/p\u003E\n\u003Cp\u003ETo exploit the vulnerability, an attacker would first have to access the local machine, and then inject malicious code into a script that is trusted by the Code Integrity policy. The injected code would then run with the same trust level as the script and bypass the Code Integrity policy.\u003C/p\u003E\n\u003Cp\u003EThe update addresses the vulnerability by correcting how PowerShell exposes functions and processes user supplied code.\u003C/p\u003E",
  "published": "2018-07-10T07:00:00Z",
  "severity": "Important",
  "cvss": 5.3,
  "epss": 0.02137,
  "epssPercentile": 0.82127,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8222",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.2368",
      "fix": "KB4345418",
      "url": "https://patchblox.com/security/fix/microsoft/kb4345418",
      "released": "2018-07-16T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.2363",
      "fix": "KB4338814",
      "url": "https://patchblox.com/security/fix/microsoft/kb4338814",
      "released": "2018-07-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.2368",
      "fix": "KB4345418",
      "url": "https://patchblox.com/security/fix/microsoft/kb4345418",
      "released": "2018-07-16T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.2363",
      "fix": "KB4338814",
      "url": "https://patchblox.com/security/fix/microsoft/kb4338814",
      "released": "2018-07-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1703 for 32-bit Systems",
      "fixedVersion": "15063.1209",
      "fix": "KB4345419",
      "url": "https://patchblox.com/security/fix/microsoft/kb4345419",
      "released": "2018-07-16T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1703 for 32-bit Systems",
      "fixedVersion": "15063.1206",
      "fix": "KB4338826",
      "url": "https://patchblox.com/security/fix/microsoft/kb4338826",
      "released": "2018-07-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1703 for x64-based Systems",
      "fixedVersion": "15063.1209",
      "fix": "KB4345419",
      "url": "https://patchblox.com/security/fix/microsoft/kb4345419",
      "released": "2018-07-16T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1703 for x64-based Systems",
      "fixedVersion": "15063.1206",
      "fix": "KB4338826",
      "url": "https://patchblox.com/security/fix/microsoft/kb4338826",
      "released": "2018-07-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for 32-bit Systems",
      "fixedVersion": "16299.551",
      "fix": "KB4345420",
      "url": "https://patchblox.com/security/fix/microsoft/kb4345420",
      "released": "2018-07-16T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for 32-bit Systems",
      "fixedVersion": "16299.547",
      "fix": "KB4338825",
      "url": "https://patchblox.com/security/fix/microsoft/kb4338825",
      "released": "2018-07-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for x64-based Systems",
      "fixedVersion": "16299.551",
      "fix": "KB4345420",
      "url": "https://patchblox.com/security/fix/microsoft/kb4345420",
      "released": "2018-07-16T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for x64-based Systems",
      "fixedVersion": "16299.547",
      "fix": "KB4338825",
      "url": "https://patchblox.com/security/fix/microsoft/kb4338825",
      "released": "2018-07-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for 32-bit Systems",
      "fixedVersion": "17134.167",
      "fix": "KB4345421",
      "url": "https://patchblox.com/security/fix/microsoft/kb4345421",
      "released": "2018-07-16T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for 32-bit Systems",
      "fixedVersion": "17134.165",
      "fix": "KB4338819",
      "url": "https://patchblox.com/security/fix/microsoft/kb4338819",
      "released": "2018-07-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for x64-based Systems",
      "fixedVersion": "17134.167",
      "fix": "KB4345421",
      "url": "https://patchblox.com/security/fix/microsoft/kb4345421",
      "released": "2018-07-16T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for x64-based Systems",
      "fixedVersion": "17134.165",
      "fix": "KB4338819",
      "url": "https://patchblox.com/security/fix/microsoft/kb4338819",
      "released": "2018-07-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for 32-bit Systems",
      "fixedVersion": "10240.17918",
      "fix": "KB4345455",
      "url": "https://patchblox.com/security/fix/microsoft/kb4345455",
      "released": "2018-07-16T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for 32-bit Systems",
      "fixedVersion": "10240.17914",
      "fix": "KB4338829",
      "url": "https://patchblox.com/security/fix/microsoft/kb4338829",
      "released": "2018-07-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for x64-based Systems",
      "fixedVersion": "10240.17918",
      "fix": "KB4345455",
      "url": "https://patchblox.com/security/fix/microsoft/kb4345455",
      "released": "2018-07-16T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for x64-based Systems",
      "fixedVersion": "10240.17914",
      "fix": "KB4338829",
      "url": "https://patchblox.com/security/fix/microsoft/kb4338829",
      "released": "2018-07-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.2368",
      "fix": "KB4345418",
      "url": "https://patchblox.com/security/fix/microsoft/kb4345418",
      "released": "2018-07-16T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.2363",
      "fix": "KB4338814",
      "url": "https://patchblox.com/security/fix/microsoft/kb4338814",
      "released": "2018-07-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.2368",
      "fix": "KB4345418",
      "url": "https://patchblox.com/security/fix/microsoft/kb4345418",
      "released": "2018-07-16T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.2363",
      "fix": "KB4338814",
      "url": "https://patchblox.com/security/fix/microsoft/kb4338814",
      "released": "2018-07-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1709  (Server Core Installation)",
      "fixedVersion": "16299.551",
      "fix": "KB4345420",
      "url": "https://patchblox.com/security/fix/microsoft/kb4345420",
      "released": "2018-07-16T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1709  (Server Core Installation)",
      "fixedVersion": "16299.547",
      "fix": "KB4338825",
      "url": "https://patchblox.com/security/fix/microsoft/kb4338825",
      "released": "2018-07-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1803  (Server Core Installation)",
      "fixedVersion": "17134.167",
      "fix": "KB4345421",
      "url": "https://patchblox.com/security/fix/microsoft/kb4345421",
      "released": "2018-07-16T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1803  (Server Core Installation)",
      "fixedVersion": "17134.165",
      "fix": "KB4338819",
      "url": "https://patchblox.com/security/fix/microsoft/kb4338819",
      "released": "2018-07-10T00:00:00Z"
    }
  ],
  "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"
  }
}