{"id":"CVE-2026-83790","title":"Use after free in Windows Hello allows an authorized attacker to elevate privileges locally.","summary":"Use after free in Windows Hello allows an authorized attacker to elevate privileges locally.","severity":"high","cvss":7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-416"],"vendor":"Microsoft","product":"Windows 10 Version 21H2","affected":["windows_10_version_21h2 >= 10.0.19044.0 < 10.0.19044.7807","windows_10_version_22h2 >= 10.0.19045.0 < 10.0.19044.7807","windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7652","windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7652","windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.9711","windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.9711","windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.3231","windows_11_version_26h2 >= 10.0.26300.0 < 10.0.26300.9711"],"published":"2026-10-13","updated":"2026-10-16","sourceUpdated":"2026-10-16T16:21:32.743","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-83790","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83790","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"epss":0.00286,"epssPercentile":0.20998,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-13T20:27:48.254472Z"},"ingestedAt":"2026-10-13T19:43:29.113Z","slug":"CVE-2026-83790","body":"## Overview\n\nUse after free in Windows Hello allows an authorized attacker to elevate privileges locally.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":38.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}