{"id":"CVE-2026-57968","aliases":["EUVD-2026-44279","GHSA-ffj6-89cj-pgr8"],"status":"published","title":"Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability","description":"Buffer over-read in Windows Subsystem for Linux 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":"2026-11-09","score":0.00333,"percentile":0.26835,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-126"],"published":"2026-07-14T17:09:39Z","modified":"2026-11-01T17:37:09Z","products":[{"vendor":"microsoft","product":"windows subsystem for linux (wsl2)"},{"vendor":"microsoft","product":"windows_subsystem_for_linux"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57968","tags":["vendor-advisory","patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57968"},{"url":"https://github.com/advisories/GHSA-ffj6-89cj-pgr8"}],"sources":{"cve":[{"id":"CVE-2026-57968","title":"Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability","description":"Buffer over-read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-07-14T17:09:39.716Z","modified":"2026-11-01T17:37:09.123Z","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-126"],"updated_at":"2026-11-02T13:43:44.898272Z"}],"euvd":[{"id":"EUVD-2026-44279","description":"Buffer over-read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-07-14T17:09:39Z","modified":"2026-11-01T17:37:09Z","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":"2026-11-02T16:58:46.970263Z"}],"ghsa":[{"id":"GHSA-ffj6-89cj-pgr8","title":"Buffer over-read in Windows Subsystem for Linux allows an authorized attacker to elevate...","description":"Buffer over-read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-07-14T18:32:40Z","modified":"2026-07-14T18:32:49Z","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-126"],"updated_at":"2026-11-02T15:09:31.319926Z"}],"nvd":[{"id":"CVE-2026-57968","description":"Buffer over-read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-07-14T18:18:35.273Z","modified":"2026-10-24T21:10:00.13Z","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-126"],"updated_at":"2026-11-02T14:12:29.489525Z"}],"osv":[{"id":"CVE-2026-57968","description":"Buffer over-read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-07-14T18:18:35.273Z","modified":"2026-10-26T02:30:58.420203775Z","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"}],"updated_at":"2026-11-02T15:45:12.016252Z"}]}}