{"id":"CVE-2019-1294","aliases":["EUVD-2019-9859","GHSA-5rx8-fj4j-9jh2"],"status":"published","title":"A security feature bypass exists when Windows Secure Boot improperly restricts access to...","description":"A security feature bypass exists when Windows Secure Boot improperly restricts access to debugging functionality, aka 'Windows Secure Boot Security Feature Bypass Vulnerability'.","severity":{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01308,"percentile":0.70839,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2019-09-11T21:25:01Z","modified":"2026-06-17T02:28:19Z","products":[{"vendor":"microsoft","product":"windows"},{"vendor":"microsoft","product":"windows 10 version 1903 for 32-bit systems"},{"vendor":"microsoft","product":"windows 10 version 1903 for arm64-based systems"},{"vendor":"microsoft","product":"windows 10 version 1903 for x64-based systems"},{"vendor":"microsoft","product":"windows server"},{"vendor":"microsoft","product":"windows server, version 1903 (server core installation)"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1294","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-1294"},{"url":"https://github.com/advisories/GHSA-5rx8-fj4j-9jh2"}],"sources":{"cve":[{"id":"CVE-2019-1294","description":"A security feature bypass exists when Windows Secure Boot improperly restricts access to debugging functionality, aka 'Windows Secure Boot Security Feature Bypass Vulnerability'.","status":"published","published":"2019-09-11T21:25:01Z","modified":"2024-08-04T18:13:30.337Z","updated_at":"2026-11-02T14:20:25.661187Z"}],"euvd":[{"id":"EUVD-2019-9859","description":"A security feature bypass exists when Windows Secure Boot improperly restricts access to debugging functionality, aka 'Windows Secure Boot Security Feature Bypass Vulnerability'.","status":"published","published":"2019-09-11T21:25:01Z","modified":"2024-08-04T18:13:30Z","updated_at":"2026-11-03T03:06:58.233851Z"}],"ghsa":[{"id":"GHSA-5rx8-fj4j-9jh2","title":"A security feature bypass exists when Windows Secure Boot improperly restricts access to...","description":"A security feature bypass exists when Windows Secure Boot improperly restricts access to debugging functionality, aka 'Windows Secure Boot Security Feature Bypass Vulnerability'.","status":"published","published":"2022-05-24T16:56:02Z","modified":"2024-04-04T01:55:32Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T14:56:04.496643Z"}],"nvd":[{"id":"CVE-2019-1294","description":"A security feature bypass exists when Windows Secure Boot improperly restricts access to debugging functionality, aka 'Windows Secure Boot Security Feature Bypass Vulnerability'.","status":"published","published":"2019-09-11T22:15:18.587Z","modified":"2026-06-17T02:28:19.277Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:05:28.126831Z"}]}}
