{"id":"CVE-2025-49675","aliases":["EUVD-2025-20573","GHSA-qw22-h529-v4jh"],"status":"published","title":"Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability","description":"Use after free in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00421,"percentile":0.36869,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2025-07-08T16:57:54Z","modified":"2026-06-17T09:31:40Z","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 server 2008 r2 service pack 1"},{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1 (server core installation)"},{"vendor":"microsoft","product":"windows server 2008 service pack 2"},{"vendor":"microsoft","product":"windows server 2008 service pack 2 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012"},{"vendor":"microsoft","product":"windows server 2012 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012 r2"},{"vendor":"microsoft","product":"windows server 2012 r2 (server core installation)"},{"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_server_2008"},{"vendor":"microsoft","product":"windows_server_2012"},{"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-2025-49675","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-49675"},{"url":"https://github.com/advisories/GHSA-qw22-h529-v4jh"}],"sources":{"cve":[{"id":"CVE-2025-49675","title":"Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability","description":"Use after free in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate privileges locally.","status":"published","published":"2025-07-08T16:57:54.217Z","modified":"2026-02-26T18:27:38.254Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:32:24.473448Z"}],"euvd":[{"id":"EUVD-2025-20573","description":"Use after free in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate privileges locally.","status":"published","published":"2025-07-08T16:57:54Z","modified":"2026-02-26T18:27:38Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T19:48:18.619892Z"}],"ghsa":[{"id":"GHSA-qw22-h529-v4jh","title":"Use after free in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to...","description":"Use after free in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate privileges locally.","status":"published","published":"2025-07-08T18:31:47Z","modified":"2025-07-08T18:31:58Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:02:57.125914Z"}],"nvd":[{"id":"CVE-2025-49675","description":"Use after free in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate privileges locally.","status":"published","published":"2025-07-08T17:15:51.837Z","modified":"2026-06-17T09:31:40.47Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:11:17.727956Z"}]}}