{"id":"CVE-2026-109462","aliases":["EUVD-2026-121554","GHSA-wh2h-hhx6-gw5f"],"status":"published","title":"Azure Firmware Security Feature Bypass Vulnerability","description":"Improper check for certificate revocation in Azure Firmware allows an authorized attacker to bypass a security feature locally.","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-13","score":0.00311,"percentile":0.2429,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-299"],"published":"2026-11-10T18:15:19Z","modified":"2026-11-10T21:51:58Z","products":[{"vendor":"microsoft","product":"azure virtual machines"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109462","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109462"},{"url":"https://github.com/advisories/GHSA-wh2h-hhx6-gw5f"}],"sources":{"cve":[{"id":"CVE-2026-109462","title":"Azure Firmware Security Feature Bypass Vulnerability","description":"Improper check for certificate revocation in Azure Firmware allows an authorized attacker to bypass a security feature locally.","status":"published","published":"2026-11-10T18:15:19.896Z","modified":"2026-11-13T18:04:14.176Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-299"],"updated_at":"2026-11-10T19:39:57.855077Z"}],"euvd":[{"id":"EUVD-2026-121554","description":"Improper check for certificate revocation in Azure Firmware allows an authorized attacker to bypass a security feature locally.","status":"published","published":"2026-11-10T18:15:19Z","modified":"2026-11-13T18:04:14Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-10T23:24:18.784503Z"}],"ghsa":[{"id":"GHSA-wh2h-hhx6-gw5f","title":"Improper check for certificate revocation in Azure Firmware allows an authorized attacker to...","description":"Improper check for certificate revocation in Azure Firmware allows an authorized attacker to bypass a security feature locally.","status":"published","published":"2026-11-10T21:32:28Z","modified":"2026-11-10T21:32:34Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-299"],"updated_at":"2026-11-10T21:57:48.570264Z"}],"nvd":[{"id":"CVE-2026-109462","description":"Improper check for certificate revocation in Azure Firmware allows an authorized attacker to bypass a security feature locally.","status":"published","published":"2026-11-10T19:18:15.27Z","modified":"2026-11-10T22:18:14.887Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-299"],"updated_at":"2026-11-11T00:21:54.23974Z"}]}}