{"id":"CVE-2026-65777","title":"Active Directory Security Feature Bypass Vulnerability","summary":"Inadequate encryption strength in Windows Active Directory allows an authorized attacker to bypass a security feature over a network.","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-326"],"vendor":"Microsoft","product":"Windows 11 version 23H2","affected":["windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7517","windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7517","windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.9168","windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.9168","windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.2704","windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5499","windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33296","windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.33296"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-08-11T20:37:52.994482Z"},"published":"2026-08-11","updated":"2026-09-24","sourceUpdated":"2026-09-24T13:47:05.627Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-65777","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65777","label":"Active Directory Security Feature Bypass Vulnerability"}],"tags":["cve.org"],"epss":0.0036,"epssPercentile":0.2698,"ingestedAt":"2026-09-08T18:07:34.888Z","slug":"CVE-2026-65777","body":"## Overview\n\nInadequate encryption strength in Windows Active Directory allows an authorized attacker to bypass a security feature over a network.\n\n## Affected\n\n- `windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7517`\n- `windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7517`\n- `windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.9168`\n- `windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.9168`\n- `windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.2704`\n- `windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5499`\n- `windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33296`\n- `windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.33296`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}