{"id":"CVE-2026-108471","aliases":["EUVD-2026-100456","GHSA-6994-xr6v-q363"],"status":"published","title":"Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability","description":"Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00367,"percentile":0.31021,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-184","CWE-822"],"published":"2026-10-13T19:01:45Z","modified":"2026-11-10T20:47:15Z","products":[{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows_10_1809"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108471","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108471"},{"url":"https://github.com/advisories/GHSA-6994-xr6v-q363"}],"sources":{"cve":[{"id":"CVE-2026-108471","title":"Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability","description":"Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:01:45.427Z","modified":"2026-11-10T20:47:15.37Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-184"],"updated_at":"2026-11-10T22:18:25.731086Z"}],"euvd":[{"id":"EUVD-2026-100456","description":"Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:01:45Z","modified":"2026-11-10T20:47:15Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T22:23:55.284051Z"}],"ghsa":[{"id":"GHSA-6994-xr6v-q363","title":"Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an...","description":"Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T21:33:31Z","modified":"2026-10-16T15:38:19Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-184","CWE-822"],"updated_at":"2026-11-02T15:13:51.736258Z"}],"nvd":[{"id":"CVE-2026-108471","description":"Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:18:07.377Z","modified":"2026-10-26T20:11:38.867Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-184"],"updated_at":"2026-11-02T14:12:57.132005Z"}]}}