{"id":"CVE-2026-83720","aliases":["EUVD-2026-99965","GHSA-fjfx-pc2m-m679"],"status":"published","title":"Windows Kerberos Elevation of Privilege Vulnerability","description":"Use after free in Windows Kerberos 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":0.00279,"percentile":0.20631,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2026-10-13T19:00:52Z","modified":"2026-11-10T20:42:19Z","products":[{"vendor":"microsoft","product":"windows 11 version 26h1"},{"vendor":"microsoft","product":"windows_11_26h1"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83720","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-83720"},{"url":"https://github.com/advisories/GHSA-fjfx-pc2m-m679"}],"sources":{"cve":[{"id":"CVE-2026-83720","title":"Windows Kerberos Elevation of Privilege Vulnerability","description":"Use after free in Windows Kerberos allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:00:52.387Z","modified":"2026-11-10T20:42:19.74Z","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-416"],"updated_at":"2026-11-10T22:18:28.707469Z"}],"euvd":[{"id":"EUVD-2026-99965","description":"Use after free in Windows Kerberos allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:00:52Z","modified":"2026-11-10T20:42:19Z","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":"2026-11-10T22:23:57.623557Z"}],"ghsa":[{"id":"GHSA-fjfx-pc2m-m679","title":"Use after free in Windows Kerberos allows an authorized attacker to elevate privileges locally.","description":"Use after free in Windows Kerberos allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T21:34:46Z","modified":"2026-10-13T21:34:54Z","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-416"],"updated_at":"2026-11-02T15:13:16.842321Z"}],"nvd":[{"id":"CVE-2026-83720","description":"Use after free in Windows Kerberos allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:20:16.903Z","modified":"2026-10-29T19:51:58.557Z","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-416"],"updated_at":"2026-11-02T14:12:57.603498Z"}]}}