{"id":"CVE-2026-20928","aliases":["EUVD-2026-22352","GHSA-wfg3-6grc-fqv3"],"status":"published","title":"Windows Recovery Environment Security Feature Bypass Vulnerability","description":"Improper removal of sensitive information before storage or transfer in Windows Recovery Environment Agent allows an unauthorized attacker to bypass a security feature with a physical attack.","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/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0043,"percentile":0.37492,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-212"],"published":"2026-04-14T16:57:51Z","modified":"2026-10-26T21:10:00Z","products":[{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"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 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 server 2022"},{"vendor":"microsoft","product":"windows server 2022, 23h2 edition (server core installation)"},{"vendor":"microsoft","product":"windows server 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_10_1607"},{"vendor":"microsoft","product":"windows_10_1809"},{"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_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2022_23h2"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20928","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20928"},{"url":"https://github.com/advisories/GHSA-wfg3-6grc-fqv3"}],"sources":{"cve":[{"id":"CVE-2026-20928","title":"Windows Recovery Environment Security Feature Bypass Vulnerability","description":"Improper removal of sensitive information before storage or transfer in Windows Recovery Environment Agent allows an unauthorized attacker to bypass a security feature with a physical attack.","status":"published","published":"2026-04-14T16:57:51.238Z","modified":"2026-10-15T15:53:04.084Z","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/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-212"],"updated_at":"2026-11-02T13:35:44.571002Z"}],"euvd":[{"id":"EUVD-2026-22352","description":"Improper removal of sensitive information before storage or transfer in Windows Recovery Environment Agent allows an unauthorized attacker to bypass a security feature with a physical 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Windows Recovery Environment Agent allows an unauthorized attacker to bypass a security feature with a physical attack.","status":"published","published":"2026-04-14T18:16:42.87Z","modified":"2026-10-26T21:10:00.17Z","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":"secondary"}],"cwes":["CWE-212"],"updated_at":"2026-11-02T14:12:14.37744Z"}]}}