{"id":"CVE-2023-28270","aliases":["EUVD-2023-31977","GHSA-45gf-xj43-rfvr"],"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":"2026-11-10","score":0.00493,"percentile":0.42709,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2023-04-11T19:13:47Z","modified":"2026-06-17T05:47:16Z","products":[{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 20h2"},{"vendor":"microsoft","product":"windows 10 version 21h2"},{"vendor":"microsoft","product":"windows 10 version 22h2"},{"vendor":"microsoft","product":"windows 11 version 21h2"},{"vendor":"microsoft","product":"windows 11 version 22h2"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows_10_1809"},{"vendor":"microsoft","product":"windows_10_20h2"},{"vendor":"microsoft","product":"windows_10_21h2"},{"vendor":"microsoft","product":"windows_10_22h2"},{"vendor":"microsoft","product":"windows_11_21h2"},{"vendor":"microsoft","product":"windows_11_22h2"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28270","tags":["vendor-advisory","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28270"},{"url":"https://github.com/advisories/GHSA-45gf-xj43-rfvr"}],"sources":{"cve":[{"id":"CVE-2023-28270","title":"Windows Lock Screen Security Feature Bypass Vulnerability","description":"Windows Lock Screen Security Feature Bypass Vulnerability","status":"published","published":"2023-04-11T19:13:47.082Z","modified":"2025-01-23T01:05:08.324Z","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"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:35:32.752775Z"}],"euvd":[{"id":"EUVD-2023-31977","description":"Windows Lock Screen Security Feature Bypass Vulnerability","status":"published","published":"2023-04-11T19:13:47Z","modified":"2025-01-23T01:05:08Z","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":"2026-11-03T00:04:14.937024Z"}],"ghsa":[{"id":"GHSA-45gf-xj43-rfvr","title":"Windows Lock Screen Security Feature Bypass Vulnerability","description":"Windows Lock Screen Security Feature Bypass Vulnerability","status":"published","published":"2023-04-11T21:31:00Z","modified":"2024-08-01T15:31:20Z","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"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:57:46.205602Z"}],"nvd":[{"id":"CVE-2023-28270","description":"Windows Lock Screen Security Feature Bypass Vulnerability","status":"published","published":"2023-04-11T21:15:26.05Z","modified":"2026-06-17T05:47:16.83Z","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"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:07:55.652109Z"}]}}