{"id":"CVE-2026-122297","aliases":["EUVD-2026-122504","GHSA-pfw7-9px6-jppg"],"status":"published","title":"Windows Kernel Transaction Manager Information Disclosure Vulnerability","description":"Use of uninitialized resource in Kernel Transaction Manager 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":0.00386,"percentile":0.33122,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-908"],"published":"2026-11-10T18:24:12Z","modified":"2026-11-10T21:33:54Z","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-2026-122297","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-122297"},{"url":"https://github.com/advisories/GHSA-pfw7-9px6-jppg"}],"sources":{"cve":[{"id":"CVE-2026-122297","title":"Windows Kernel Transaction Manager Information Disclosure Vulnerability","description":"Use of uninitialized resource in Kernel Transaction Manager allows an authorized attacker to disclose information locally.","status":"published","published":"2026-11-10T18:24:12.934Z","modified":"2026-11-11T17:19:49.937Z","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-908"],"updated_at":"2026-11-10T19:39:58.973959Z"}],"euvd":[{"id":"EUVD-2026-122504","description":"Use of uninitialized resource in Kernel Transaction Manager allows an authorized attacker to disclose information locally.","status":"published","published":"2026-11-10T18:24:12Z","modified":"2026-11-11T17:19:49Z","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":"2026-11-11T00:25:02.703435Z"}],"ghsa":[{"id":"GHSA-pfw7-9px6-jppg","title":"Use of uninitialized resource in Kernel Transaction Manager allows an authorized attacker to...","description":"Use of uninitialized resource in Kernel Transaction Manager allows an authorized attacker to disclose information locally.","status":"published","published":"2026-11-10T21:33:47Z","modified":"2026-11-10T21:33:54Z","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-908"],"updated_at":"2026-11-10T21:57:54.561479Z"}],"nvd":[{"id":"CVE-2026-122297","description":"Use of uninitialized resource in Kernel Transaction Manager allows an authorized attacker to disclose information locally.","status":"published","published":"2026-11-10T19:20:37.017Z","modified":"2026-11-11T02:17:12.13Z","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-908"],"updated_at":"2026-11-11T07:23:51.286099Z"}]}}