{"id":"CVE-2026-88215","aliases":["EUVD-2026-121532","GHSA-48f4-xm25-vj5c"],"status":"published","title":"Windows Filtering Platform (WFP) Elevation of Privilege Vulnerability","description":"Use after free in Windows Filtering Platform (WFP) allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-14","score":0.00269,"percentile":0.19289,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2026-11-10T18:16:54Z","modified":"2026-11-10T21:34:05Z","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-2026-88215","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88215"},{"url":"https://github.com/advisories/GHSA-48f4-xm25-vj5c"}],"sources":{"cve":[{"id":"CVE-2026-88215","title":"Windows Filtering Platform (WFP) Elevation of Privilege Vulnerability","description":"Use after free in Windows Filtering Platform (WFP) allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T18:16:54.297Z","modified":"2026-11-13T18:05:45.262Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-10T19:39:59.74912Z"}],"euvd":[{"id":"EUVD-2026-121532","description":"Use after free in Windows Filtering Platform (WFP) allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T18:16:54Z","modified":"2026-11-13T18:05:45Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-11T00:25:04.513391Z"}],"ghsa":[{"id":"GHSA-48f4-xm25-vj5c","title":"Use after free in Windows Filtering Platform (WFP) allows an authorized attacker to elevate...","description":"Use after free in Windows Filtering Platform (WFP) allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T21:33:58Z","modified":"2026-11-10T21:34:05Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-10T21:57:56.197754Z"}],"nvd":[{"id":"CVE-2026-88215","description":"Use after free in Windows Filtering Platform (WFP) allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T19:21:28.253Z","modified":"2026-11-11T01:17:21.817Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-11T07:23:51.286099Z"}]}}