{"id":"CVE-2020-17099","aliases":["EUVD-2020-9054","GHSA-p736-pfjv-x4f7"],"status":"published","title":"Windows Lock Screen Security Feature Bypass Vulnerability","description":"Windows Lock Screen Security Feature Bypass Vulnerability","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01004,"percentile":0.63378,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-12-09T23:36:42Z","modified":"2026-06-17T02:58:40Z","products":[{"vendor":"microsoft","product":"windows 10 version 1507"},{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1803"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2016 (server core installation)"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17099","tags":["vendor-advisory","patch"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17099","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-17099"},{"url":"https://github.com/advisories/GHSA-p736-pfjv-x4f7"}],"sources":{"cve":[{"id":"CVE-2020-17099","title":"Windows Lock Screen Security Feature Bypass Vulnerability","description":"Windows Lock Screen Security Feature Bypass Vulnerability","status":"published","published":"2020-12-09T23:36:42Z","modified":"2026-06-09T18:07:48.029Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:54.80237Z"}],"euvd":[{"id":"EUVD-2020-9054","description":"Windows Lock Screen Security Feature Bypass Vulnerability","status":"published","published":"2020-12-09T23:36:42Z","modified":"2026-06-09T18:07:48Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T18:20:47.241018Z"}],"ghsa":[{"id":"GHSA-p736-pfjv-x4f7","title":", aka 'Windows Lock Screen Security Feature Bypass Vulnerability'.","description":", aka 'Windows Lock Screen Security Feature Bypass Vulnerability'.","status":"published","published":"2022-05-24T17:35:52Z","modified":"2025-08-29T00:31:13Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T15:03:26.692558Z"}],"nvd":[{"id":"CVE-2020-17099","description":"Windows Lock Screen Security Feature Bypass Vulnerability","status":"published","published":"2020-12-10T00:15:14.307Z","modified":"2026-06-17T02:58:40.89Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:27.10541Z"}]}}