{"id":"CVE-2026-42982","aliases":["EUVD-2026-43966","GHSA-37p7-mhjw-vwh9"],"status":"published","title":"Windows Secure Kernel Mode Elevation of Privilege Vulnerability","description":"Improper validation of consistency within input in Windows Secure Kernel Mode 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":"2026-11-10","score":0.00333,"percentile":0.26836,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1288"],"published":"2026-07-14T17:04:14Z","modified":"2026-11-10T22:34:47Z","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 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)"},{"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_23h2"},{"vendor":"microsoft","product":"windows_11_24h2"},{"vendor":"microsoft","product":"windows_11_25h2"},{"vendor":"microsoft","product":"windows_11_26h1"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42982","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42982"},{"url":"https://github.com/advisories/GHSA-37p7-mhjw-vwh9"}],"sources":{"cve":[{"id":"CVE-2026-42982","title":"Windows Secure Kernel Mode Elevation of Privilege Vulnerability","description":"Improper validation of consistency within input in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-07-14T17:04:14.496Z","modified":"2026-11-10T22:34:47.074Z","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-1288"],"updated_at":"2026-11-10T23:49:28.582338Z"}],"euvd":[{"id":"EUVD-2026-43966","description":"Improper validation of consistency within input in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-07-14T17:04:14Z","modified":"2026-11-10T22:34:47Z","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/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T23:24:16.163953Z"}],"ghsa":[{"id":"GHSA-37p7-mhjw-vwh9","title":"Improper validation of consistency within input in Windows Secure Kernel Mode allows an...","description":"Improper validation of consistency within input in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-07-14T18:31:58Z","modified":"2026-07-14T18:32:01Z","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-1288"],"updated_at":"2026-11-02T15:09:27.635559Z"}],"nvd":[{"id":"CVE-2026-42982","description":"Improper validation of consistency within input in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-07-14T17:16:48.33Z","modified":"2026-07-22T16:17:22.043Z","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-1288"],"updated_at":"2026-11-02T14:12:29.114188Z"}]}}