{"id":"CVE-2026-119942","aliases":["EUVD-2026-122437","GHSA-r8j3-8qw9-rrjm"],"status":"published","title":"HTTP.sys Information Disclosure Vulnerability","description":"Exposure of sensitive system information to an unauthorized control sphere in Windows HTTP.sys allows an authorized attacker to disclose information locally.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00377,"percentile":0.32143,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-497"],"published":"2026-11-10T18:23:35Z","modified":"2026-11-10T21:33:46Z","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 11 version 26h2"},{"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 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119942","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119942"},{"url":"https://github.com/advisories/GHSA-r8j3-8qw9-rrjm"}],"sources":{"cve":[{"id":"CVE-2026-119942","title":"HTTP.sys Information Disclosure Vulnerability","description":"Exposure of sensitive system information to an unauthorized control sphere in Windows HTTP.sys allows an authorized attacker to disclose information locally.","status":"published","published":"2026-11-10T18:23:35.746Z","modified":"2026-11-12T21:50:46.283Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-497"],"updated_at":"2026-11-10T19:39:58.973959Z"}],"euvd":[{"id":"EUVD-2026-122437","description":"Exposure of sensitive system information to an unauthorized control sphere in Windows HTTP.sys allows an authorized attacker to disclose information locally.","status":"published","published":"2026-11-10T18:23:35Z","modified":"2026-11-12T21:50:46Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-11T00:25:03.169314Z"}],"ghsa":[{"id":"GHSA-r8j3-8qw9-rrjm","title":"Exposure of sensitive system information to an unauthorized control sphere in Windows HTTP.sys...","description":"Exposure of sensitive system information to an unauthorized control sphere in Windows HTTP.sys allows an authorized attacker to disclose information locally.","status":"published","published":"2026-11-10T21:33:38Z","modified":"2026-11-10T21:33:46Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-497"],"updated_at":"2026-11-10T21:57:54.561479Z"}],"nvd":[{"id":"CVE-2026-119942","description":"Exposure of sensitive system information to an unauthorized control sphere in Windows HTTP.sys allows an authorized attacker to disclose information locally.","status":"published","published":"2026-11-10T19:20:17.043Z","modified":"2026-11-10T19:20:17.173Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-497"],"updated_at":"2026-11-10T22:21:32.984056Z"}]}}