{"id":"CVE-2025-55683","aliases":["EUVD-2025-34334","GHSA-fwgq-v3hj-v285"],"status":"published","title":"Windows Kernel Information Disclosure Vulnerability","description":"Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/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":"2026-11-11","score":0.00561,"percentile":0.47098,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2025-10-14T17:01:07Z","modified":"2026-06-17T09:42:00Z","products":[{"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_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-2025-55683","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55683"},{"url":"https://github.com/advisories/GHSA-fwgq-v3hj-v285"}],"sources":{"cve":[{"id":"CVE-2025-55683","title":"Windows Kernel Information Disclosure Vulnerability","description":"Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.","status":"published","published":"2025-10-14T17:01:07.36Z","modified":"2026-02-22T17:25:19.754Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:32:52.839698Z"}],"euvd":[{"id":"EUVD-2025-34334","description":"Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.","status":"published","published":"2025-10-14T17:01:07Z","modified":"2026-02-22T17:25:19Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T19:48:36.125178Z"}],"ghsa":[{"id":"GHSA-fwgq-v3hj-v285","title":"Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized...","description":"Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.","status":"published","published":"2025-10-14T18:30:31Z","modified":"2025-10-14T18:30:31Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:03:57.454768Z"}],"nvd":[{"id":"CVE-2025-55683","description":"Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.","status":"published","published":"2025-10-14T17:15:49.087Z","modified":"2026-06-17T09:42:00.987Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:11:38.17237Z"}]}}