{"id":"CVE-2026-50416","aliases":["EUVD-2026-43904","GHSA-x47j-8c8r-mqm2"],"status":"published","title":"Win32k Information Disclosure Vulnerability","description":"Exposure of sensitive information to an unauthorized actor in Windows Win32K allows an authorized attacker to disclose information locally.","severity":{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00458,"percentile":0.39988,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-200"],"published":"2026-07-14T17:06:52Z","modified":"2026-11-01T17:34:27Z","exploits":[{"source":"pocgithub","id":"karollooool/CVE-2026-50416-writeup-and-poc","title":"karollooool/CVE-2026-50416-writeup-and-poc","date":"2026-07-17","url":"https://github.com/karollooool/CVE-2026-50416-writeup-and-poc"}],"products":[{"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 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_11_24h2"},{"vendor":"microsoft","product":"windows_11_25h2"},{"vendor":"microsoft","product":"windows_11_26h1"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50416","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50416"},{"url":"https://github.com/advisories/GHSA-x47j-8c8r-mqm2"}],"sources":{"cve":[{"id":"CVE-2026-50416","title":"Win32k Information Disclosure Vulnerability","description":"Exposure of sensitive information to an unauthorized actor in Windows Win32K allows an authorized attacker to disclose information locally.","status":"published","published":"2026-07-14T17:06:52.183Z","modified":"2026-11-01T17:34:27.326Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C","level":"low","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:20:08.734143Z"}],"euvd":[{"id":"EUVD-2026-43904","description":"Exposure of sensitive information to an unauthorized actor in Windows Win32K allows an authorized attacker to disclose information locally.","status":"published","published":"2026-07-14T17:06:52Z","modified":"2026-11-01T17:34:27Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C","level":"low"}],"updated_at":"2026-11-02T16:58:48.316156Z"}],"ghsa":[{"id":"GHSA-x47j-8c8r-mqm2","title":"Exposure of sensitive information to an unauthorized actor in Windows Win32K allows an authorized...","description":"Exposure of sensitive information to an unauthorized actor in Windows Win32K allows an authorized attacker to disclose information locally.","status":"published","published":"2026-07-14T18:32:22Z","modified":"2026-07-14T18:32:27Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:09:29.53235Z"}],"nvd":[{"id":"CVE-2026-50416","description":"Exposure of sensitive information to an unauthorized actor in Windows Win32K allows an authorized attacker to disclose information locally.","status":"published","published":"2026-07-14T18:17:44.69Z","modified":"2026-07-20T14:00:54.113Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:12:29.489525Z"}]}}