{"id":"CVE-2026-62840","aliases":["EUVD-2026-100608","GHSA-2w6f-cwvw-5j95"],"status":"published","title":"Linux Kernel Elevation of Privilege Vulnerability","description":"Time-of-check time-of-use (toctou) race condition in Linux Kernel allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/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":0.00207,"percentile":0.10889,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367"],"published":"2026-10-13T20:37:15Z","modified":"2026-11-10T20:43:13Z","products":[{"vendor":"microsoft","product":"linux 3p (third party) distros"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62840","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-62840"},{"url":"https://github.com/advisories/GHSA-2w6f-cwvw-5j95"}],"sources":{"cve":[{"id":"CVE-2026-62840","title":"Linux Kernel Elevation of Privilege Vulnerability","description":"Time-of-check time-of-use (toctou) race condition in Linux Kernel allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T20:37:15.976Z","modified":"2026-11-10T20:43:13.016Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-367"],"updated_at":"2026-11-10T22:18:27.902968Z"}],"euvd":[{"id":"EUVD-2026-100608","description":"Time-of-check time-of-use (toctou) race condition in Linux Kernel allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T20:37:15Z","modified":"2026-11-10T20:43:13Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T22:23:57.125737Z"}],"ghsa":[{"id":"GHSA-2w6f-cwvw-5j95","title":"Time-of-check time-of-use (toctou) race condition in Linux Kernel allows an authorized attacker...","description":"Time-of-check time-of-use (toctou) race condition in Linux Kernel allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T21:37:30Z","modified":"2026-10-13T21:37:38Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T15:13:21.557572Z"}],"nvd":[{"id":"CVE-2026-62840","description":"Time-of-check time-of-use (toctou) race condition in Linux Kernel allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T21:17:40.033Z","modified":"2026-10-16T14:17:25.377Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:12:58.630796Z"}]}}