{"id":"CVE-2026-95998","aliases":["EUVD-2026-121451","GHSA-3gcq-33mp-pc9w"],"status":"published","title":"Windows StateRepository API Tampering Vulnerability","description":"Missing authentication for critical function in Windows StateRepository API allows an authorized attacker to perform tampering locally.","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-14","score":0.00272,"percentile":0.19826,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-11-10T18:16:11Z","modified":"2026-11-10T21:34:18Z","products":[{"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 11 version 26h2"},{"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 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-95998","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-95998"},{"url":"https://github.com/advisories/GHSA-3gcq-33mp-pc9w"}],"sources":{"cve":[{"id":"CVE-2026-95998","title":"Windows StateRepository API Tampering Vulnerability","description":"Missing authentication for critical function in Windows StateRepository API allows an authorized attacker to perform tampering locally.","status":"published","published":"2026-11-10T18:16:11.958Z","modified":"2026-11-13T18:05:03.738Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-10T19:39:59.74912Z"}],"euvd":[{"id":"EUVD-2026-121451","description":"Missing authentication for critical function in Windows StateRepository API allows an authorized attacker to perform tampering locally.","status":"published","published":"2026-11-10T18:16:11Z","modified":"2026-11-13T18:05:03Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-11T00:25:05.012422Z"}],"ghsa":[{"id":"GHSA-3gcq-33mp-pc9w","title":"Missing authentication for critical function in Windows StateRepository API allows an authorized...","description":"Missing authentication for critical function in Windows StateRepository API allows an authorized attacker to perform tampering locally.","status":"published","published":"2026-11-10T21:34:10Z","modified":"2026-11-10T21:34:18Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-306"],"updated_at":"2026-11-10T21:57:56.96981Z"}],"nvd":[{"id":"CVE-2026-95998","description":"Missing authentication for critical function in Windows StateRepository API allows an authorized attacker to perform tampering locally.","status":"published","published":"2026-11-10T19:21:56.313Z","modified":"2026-11-11T02:17:19.533Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-306"],"updated_at":"2026-11-11T07:23:51.286099Z"}]}}