{"id":"CVE-2026-88217","aliases":["EUVD-2026-121533","GHSA-p9v2-62qm-cqx2"],"status":"published","title":"Windows Graphics Kernel Information Disclosure Vulnerability","description":"Use of uninitialized resource in Windows Graphics 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":"2026-11-12","score":0.00387,"percentile":0.33247,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-908"],"published":"2026-11-10T18:16:54Z","modified":"2026-11-12T21:44:03Z","products":[{"vendor":"microsoft","product":"microsoft office 365 for mac"},{"vendor":"microsoft","product":"microsoft office for android"},{"vendor":"microsoft","product":"microsoft office ltsc for mac 2021"},{"vendor":"microsoft","product":"microsoft office ltsc for mac 2024"},{"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-2026-88217","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88217"},{"url":"https://github.com/advisories/GHSA-p9v2-62qm-cqx2"}],"sources":{"cve":[{"id":"CVE-2026-88217","title":"Windows Graphics Kernel Information Disclosure Vulnerability","description":"Use of uninitialized resource in Windows Graphics Kernel allows an authorized attacker to disclose information locally.","status":"published","published":"2026-11-10T18:16:54.826Z","modified":"2026-11-12T21:44:03.135Z","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":"2026-11-12T22:49:20.113736Z"}],"euvd":[{"id":"EUVD-2026-121533","description":"Use of uninitialized resource in Windows Graphics Kernel allows an authorized attacker to disclose information locally.","status":"published","published":"2026-11-10T18:16:54Z","modified":"2026-11-12T21:44:03Z","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":"2026-11-12T23:36:12.491436Z"}],"ghsa":[{"id":"GHSA-p9v2-62qm-cqx2","title":"Use of uninitialized resource in Windows Graphics Kernel allows an authorized attacker to...","description":"Use of uninitialized resource in Windows Graphics Kernel allows an authorized attacker to disclose information locally.","status":"published","published":"2026-11-10T21:33:58Z","modified":"2026-11-10T21:34:05Z","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":"2026-11-10T21:57:56.197754Z"}],"nvd":[{"id":"CVE-2026-88217","description":"Use of uninitialized resource in Windows Graphics Kernel allows an authorized attacker to disclose information locally.","status":"published","published":"2026-11-10T19:21:28.673Z","modified":"2026-11-12T22:19:26.783Z","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"}]}}