{"id":"CVE-2026-119946","aliases":["EUVD-2026-122441","GHSA-38h3-jwpg-cgf8"],"status":"published","title":"HTTP.sys Information Disclosure Vulnerability","description":"Improper access control in Windows HTTP.sys allows an unauthorized attacker to disclose information over a network.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/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":"2026-11-12","score":0.00747,"percentile":0.55363,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-522"],"published":"2026-11-10T18:23:37Z","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-2026-119946","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119946"},{"url":"https://github.com/advisories/GHSA-38h3-jwpg-cgf8"}],"sources":{"cve":[{"id":"CVE-2026-119946","title":"HTTP.sys Information Disclosure Vulnerability","description":"Improper access control in Windows HTTP.sys allows an unauthorized attacker to disclose information over a network.","status":"published","published":"2026-11-10T18:23:37.92Z","modified":"2026-11-12T21:50:48.342Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-522"],"updated_at":"2026-11-10T19:39:58.973959Z"}],"euvd":[{"id":"EUVD-2026-122441","description":"Improper access control in Windows HTTP.sys allows an unauthorized attacker to disclose information over a network.","status":"published","published":"2026-11-10T18:23:37Z","modified":"2026-11-12T21:50:48Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/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-38h3-jwpg-cgf8","title":"Improper access control in Windows HTTP.sys allows an unauthorized attacker to disclose...","description":"Improper access control in Windows HTTP.sys allows an unauthorized attacker to disclose information over a network.","status":"published","published":"2026-11-10T21:33:38Z","modified":"2026-11-10T21:33:46Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-522"],"updated_at":"2026-11-10T21:57:54.561479Z"}],"nvd":[{"id":"CVE-2026-119946","description":"Improper access control in Windows HTTP.sys allows an unauthorized attacker to disclose information over a network.","status":"published","published":"2026-11-10T19:20:17.793Z","modified":"2026-11-10T19:20:17.94Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-522"],"updated_at":"2026-11-10T22:21:33.392456Z"}]}}