{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2018-8221",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2018-8221",
    "idYear": 2018,
    "status": "PUBLISHED",
    "publishedAt": "2018-06-14T12:00:00.000Z",
    "updatedAt": "2024-08-05T06:46:13.693Z",
    "importedAt": "2026-10-24T01:56:04.670Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": null,
      "summary": "A security feature bypass vulnerability exists in Device Guard that could allow an attacker to inject malicious code into a Windows PowerShell session, aka \"Device Guard Code Integrity Policy Security Feature Bypass Vulnerability.\" This affects Windows Server 2016, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8201, CVE-2018-8211, CVE-2018-8212, CVE-2018-8215, CVE-2018-8216, CVE-2018-8217.",
      "affected": [
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2016",
          "versions": [
            {
              "version": "(Server Core installation)",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 10",
          "versions": [
            {
              "version": "32-bit Systems",
              "status": "affected"
            },
            {
              "version": "Version 1607 for 32-bit Systems",
              "status": "affected"
            },
            {
              "version": "Version 1607 for x64-based Systems",
              "status": "affected"
            },
            {
              "version": "Version 1703 for 32-bit Systems",
              "status": "affected"
            },
            {
              "version": "Version 1703 for x64-based Systems",
              "status": "affected"
            },
            {
              "version": "Version 1709 for 32-bit Systems",
              "status": "affected"
            },
            {
              "version": "Version 1709 for x64-based Systems",
              "status": "affected"
            },
            {
              "version": "Version 1803 for 32-bit Systems",
              "status": "affected"
            },
            {
              "version": "Version 1803 for x64-based Systems",
              "status": "affected"
            },
            {
              "version": "x64-based Systems",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 10 Servers",
          "versions": [
            {
              "version": "version 1709  (Server Core Installation)",
              "status": "affected"
            },
            {
              "version": "version 1803  (Server Core Installation)",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}