{"id":"CVE-2026-6484","aliases":["EUVD-2026-57052","GHSA-gh4j-3cg6-8m5x"],"status":"published","title":"Lack of verified boot to certain FV may cause arbitrary code execution","description":"In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00374,"percentile":0.31597,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1277"],"published":"2026-08-12T00:20:36Z","modified":"2026-10-24T16:10:00Z","products":[{"vendor":"insyde software","product":"insydeh2o"}],"references":[{"url":"https://www.insyde.com/security-pledge/sa-2026003/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6484"},{"url":"https://www.insyde.com/security-pledge/sa-2026003"},{"url":"https://github.com/advisories/GHSA-gh4j-3cg6-8m5x"}],"sources":{"cve":[{"id":"CVE-2026-6484","title":"Lack of verified boot to certain FV may cause arbitrary code execution","description":"In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.","status":"published","published":"2026-08-12T00:20:36.095Z","modified":"2026-08-12T12:39:26.057Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-1277"],"updated_at":"2026-11-02T13:49:53.818886Z"}],"euvd":[{"id":"EUVD-2026-57052","description":"In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.","status":"published","published":"2026-08-12T00:20:36Z","modified":"2026-08-12T12:39:26Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:58.638592Z"}],"ghsa":[{"id":"GHSA-gh4j-3cg6-8m5x","title":"In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.","description":"In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.","status":"published","published":"2026-08-12T03:31:17Z","modified":"2026-08-12T03:31:23Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-1277"],"updated_at":"2026-11-02T15:10:22.198935Z"}],"nvd":[{"id":"CVE-2026-6484","description":"In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.","status":"published","published":"2026-08-12T01:17:08.06Z","modified":"2026-10-24T16:10:00.153Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-1277"],"updated_at":"2026-11-02T14:12:36.880938Z"}]}}