{"id":"CVE-2026-70280","aliases":["EUVD-2026-99266","GHSA-2xq4-pwpf-h7cw"],"status":"published","title":"Windows Hello Security Feature Bypass Vulnerability","description":"Incorrect authorization in Windows Hello 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:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00386,"percentile":0.33128,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2026-10-13T18:59:43Z","modified":"2026-11-10T20:35:35Z","products":[{"vendor":"microsoft","product":"windows 10 version 21h2"},{"vendor":"microsoft","product":"windows 10 version 22h2"},{"vendor":"microsoft","product":"windows 11 version 23h2"},{"vendor":"microsoft","product":"windows 11 version 24h2"},{"vendor":"microsoft","product":"windows 11 version 25h2"},{"vendor":"microsoft","product":"windows 11 version 26h1"},{"vendor":"microsoft","product":"windows 11 version 26h2"},{"vendor":"microsoft","product":"windows_10_21h2"},{"vendor":"microsoft","product":"windows_10_22h2"},{"vendor":"microsoft","product":"windows_11_23h2"},{"vendor":"microsoft","product":"windows_11_24h2"},{"vendor":"microsoft","product":"windows_11_25h2"},{"vendor":"microsoft","product":"windows_11_26h1"},{"vendor":"microsoft","product":"windows_11_26h2"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70280","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-70280"},{"url":"https://github.com/advisories/GHSA-2xq4-pwpf-h7cw"}],"sources":{"cve":[{"id":"CVE-2026-70280","title":"Windows Hello Security Feature Bypass Vulnerability","description":"Incorrect authorization in Windows Hello allows an authorized attacker to bypass a security feature locally.","status":"published","published":"2026-10-13T18:59:43.539Z","modified":"2026-11-10T20:35:35.113Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-10T22:18:28.707469Z"}],"euvd":[{"id":"EUVD-2026-99266","description":"Incorrect authorization in Windows Hello allows an authorized attacker to bypass a security feature locally.","status":"published","published":"2026-10-13T18:59:43Z","modified":"2026-11-10T20:35:35Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-10T21:23:23.099302Z"}],"ghsa":[{"id":"GHSA-2xq4-pwpf-h7cw","title":"Incorrect authorization in Windows Hello allows an authorized attacker to bypass a security...","description":"Incorrect authorization in Windows Hello allows an authorized attacker to bypass a security feature locally.","status":"published","published":"2026-10-13T21:34:20Z","modified":"2026-10-13T21:34:28Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:13:15.646152Z"}],"nvd":[{"id":"CVE-2026-70280","description":"Incorrect authorization in Windows Hello allows an authorized attacker to bypass a security feature locally.","status":"published","published":"2026-10-13T19:19:47.49Z","modified":"2026-10-28T17:13:57.857Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:12:57.603498Z"}]}}