{"id":"CVE-2025-55699","aliases":["EUVD-2025-34322","GHSA-4645-w96j-4f6p"],"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":"2026-11-09","score":0.0054,"percentile":0.45728,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2025-10-14T17:01:14Z","modified":"2026-06-17T09:42:04Z","products":[{"vendor":"microsoft","product":"windows 10 version 1507"},{"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 22h2"},{"vendor":"microsoft","product":"windows 11 version 22h3"},{"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 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_10_1507"},{"vendor":"microsoft","product":"windows_10_1607"},{"vendor":"microsoft","product":"windows_10_1809"},{"vendor":"microsoft","product":"windows_10_21h2"},{"vendor":"microsoft","product":"windows_10_22h2"},{"vendor":"microsoft","product":"windows_11_22h2"},{"vendor":"microsoft","product":"windows_11_23h2"},{"vendor":"microsoft","product":"windows_11_24h2"},{"vendor":"microsoft","product":"windows_11_25h2"},{"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-2025-55699","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55699"},{"url":"https://github.com/advisories/GHSA-4645-w96j-4f6p"}],"sources":{"cve":[{"id":"CVE-2025-55699","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":"2025-10-14T17:01:14.745Z","modified":"2026-02-22T17:25:28.976Z","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-2025-34322","description":"Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.","status":"published","published":"2025-10-14T17:01:14Z","modified":"2026-02-22T17:25:28Z","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":"2026-11-02T19:48:35.625588Z"}],"ghsa":[{"id":"GHSA-4645-w96j-4f6p","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":"2025-10-14T18:30:32Z","modified":"2025-10-14T18:30:41Z","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":"2026-11-02T15:03:57.996157Z"}],"nvd":[{"id":"CVE-2025-55699","description":"Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.","status":"published","published":"2025-10-14T17:15:51.85Z","modified":"2026-06-17T09:42:04.807Z","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"}]}}