{"id":"CVE-2026-65777","aliases":[],"cve":{"records":[{"id":"CVE-2026-65777","source":"microsoft","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-07-22T21:30:09.119Z","published":"2026-08-11T17:06:52.680Z","modified":"2026-11-10T22:00:38.947Z"}],"publishers":[{"name":"microsoft","role":"CNA","organizationId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","modified":"2026-11-10T22:00:38.947Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-08-11T20:51:34.766Z"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65777","tags":["vendor-advisory","patch"],"source":"microsoft"}],"weaknesses":[{"id":"CWE-326","description":"CWE-326: Inadequate Encryption Strength","source":"microsoft"}],"applicability":[{"source":"microsoft","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*","versionStartIncluding":"10.0.20348.0","versionEndExcluding":"10.0.20348.5499"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*","versionStartIncluding":"10.0.26100.0","versionEndExcluding":"10.0.26100.33296"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*","versionStartIncluding":"10.0.26200.0","versionEndExcluding":"10.0.26200.9168"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*","versionStartIncluding":"10.0.22631.0","versionEndExcluding":"10.0.22631.7517"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*","versionStartIncluding":"10.0.22631.0","versionEndExcluding":"10.0.22631.7517"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*","versionStartIncluding":"10.0.26100.0","versionEndExcluding":"10.0.26100.9168"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*","versionStartIncluding":"10.0.26100.0","versionEndExcluding":"10.0.26100.33296"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*","versionStartIncluding":"10.0.28000.0","versionEndExcluding":"10.0.28000.2704"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-08-11T20:37:52.994482Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"Active Directory Security Feature Bypass Vulnerability","titleSource":"microsoft","descriptionSource":"microsoft","description":"Inadequate encryption strength in Windows Active Directory allows an authorized attacker to bypass a security feature over a network.","score":5.3,"severity":"medium","published":"2026-08-11T17:06:52.680Z","modified":"2026-11-10T22:00:38.947Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Microsoft","name":"Windows 11 version 23H2","platforms":["ARM64-based Systems"],"versions":[{"version":"10.0.22631.0","status":"affected","lessThan":"10.0.22631.7517","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-65777"},{"vendor":"Microsoft","name":"Windows 11 Version 23H2","platforms":["x64-based Systems"],"versions":[{"version":"10.0.22631.0","status":"affected","lessThan":"10.0.22631.7517","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-65777"},{"vendor":"Microsoft","name":"Windows 11 Version 24H2","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.26100.0","status":"affected","lessThan":"10.0.26100.9168","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-65777"},{"vendor":"Microsoft","name":"Windows 11 Version 25H2","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.26200.0","status":"affected","lessThan":"10.0.26200.9168","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-65777"},{"vendor":"Microsoft","name":"Windows 11 version 26H1","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.28000.0","status":"affected","lessThan":"10.0.28000.2704","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-65777"},{"vendor":"Microsoft","name":"Windows Server 2022","platforms":["x64-based Systems"],"versions":[{"version":"10.0.20348.0","status":"affected","lessThan":"10.0.20348.5499","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-65777"},{"vendor":"Microsoft","name":"Windows Server 2025","platforms":["x64-based Systems"],"versions":[{"version":"10.0.26100.0","status":"affected","lessThan":"10.0.26100.33296","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-65777"},{"vendor":"Microsoft","name":"Windows Server 2025 (Server Core installation)","platforms":["x64-based Systems"],"versions":[{"version":"10.0.26100.0","status":"affected","lessThan":"10.0.26100.33296","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-65777"}],"remediation":[],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65777"],"sources":[{"name":"CVE","id":"CVE-2026-65777","modified":"2026-11-10T22:00:38.947Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-65777"}],"assessments":[{"source":"microsoft","vector":"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","score":5.3}],"sourceAffected":[],"observedAt":"2026-11-11T01:46:23.539Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T02:45:32.518Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-29T02:20:32.565Z","attemptedAt":"2026-10-29T02:20:32.565Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-29T02:20:32.558Z","attemptedAt":"2026-10-29T02:20:32.558Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-29T02:20:32.980Z","attemptedAt":"2026-10-29T02:20:32.980Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-29T02:20:32.565Z","attemptedAt":"2026-10-29T02:20:32.565Z"}],"evidence":[{"source":"GitHub Advisory Database","id":"GHSA-92c8-rfc2-vg9x","url":"https://github.com/advisories/GHSA-92c8-rfc2-vg9x","modified":"2026-08-11T18:31:44Z","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N","checkedAt":"2026-10-29T02:20:32.558Z"},{"source":"NVD","id":"CVE-2026-65777","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-65777","modified":"2026-08-14T17:35:50.230","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N","checkedAt":"2026-10-29T02:20:32.565Z"},{"source":"FIRST EPSS","id":"CVE-2026-65777","url":"https://www.first.org/epss/","probability":0.0036,"percentile":0.29621,"date":"2026-10-28","checkedAt":"2026-10-29T02:20:32.565Z"},{"source":"ENISA EUVD","id":"EUVD-2026-56731","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-56731","modified":"Oct 28, 2026, 8:08:18 PM","score":5.3,"vector":"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","checkedAt":"2026-10-29T02:20:32.980Z"}],"aiSummary":{"text":"Windows Active Directory has inadequate encryption strength, allowing an authorized attacker to bypass a security feature over a network in affected versions of Windows 11 and Windows Server. Affected versions include Windows 11 23H2, 24H2, 25H2, and 26H1, and Windows Server 2022 and 2025.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T08:45:14.287Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-65777"}]}}