{"id":"CVE-2026-96176","aliases":[],"cve":{"records":[{"id":"CVE-2026-96176","source":"microsoft","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-22T18:48:47.470Z","published":"2026-11-10T18:16:36.296Z","modified":"2026-11-13T18:05:28.074Z"}],"publishers":[{"name":"microsoft","role":"CNA","organizationId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","modified":"2026-11-13T18:05:28.074Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-11-11T01:35:04.051Z"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96176","tags":["vendor-advisory","patch"],"source":"microsoft"}],"weaknesses":[{"id":"CWE-401","description":"CWE-401: Missing Release of Memory after Effective Lifetime","source":"microsoft"}],"applicability":[{"source":"microsoft","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*","versionStartIncluding":"10.0.22631.0","versionEndExcluding":"10.0.22631.7711"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*","versionStartIncluding":"10.0.22631.0","versionEndExcluding":"10.0.22631.7711"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:x64:*","versionStartIncluding":"10.0.26100.0","versionEndExcluding":"10.0.26100.9974"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:x64:*","versionStartIncluding":"10.0.26200.0","versionEndExcluding":"10.0.26200.9974"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:windows_11_version_26h2_for_x64-based_systems:*:*:*:*:*:*:*:*","versionStartIncluding":"10.0.26300.0","versionEndExcluding":"10.0.26300.9974"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*","versionStartIncluding":"10.0.26100.0","versionEndExcluding":"10.0.26100.33822"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*","versionStartIncluding":"10.0.26100.0","versionEndExcluding":"10.0.26100.33822"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*","versionStartIncluding":"10.0.28000.0","versionEndExcluding":"10.0.28000.3501"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-11-11T01:33:15.362798Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"yes"},{"name":"Technical Impact","value":"partial"}]}]},"title":"Windows DNS Denial of Service Vulnerability","titleSource":"microsoft","descriptionSource":"microsoft","description":"Missing release of memory after effective lifetime in Windows DNS allows an unauthorized attacker to deny service over a network.","score":7.5,"severity":"high","published":"2026-11-10T18:16:36.296Z","modified":"2026-11-13T18:05:28.074Z","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":"10.0.22631.7711","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96176"},{"vendor":"Microsoft","name":"Windows 11 Version 23H2","platforms":["x64-based Systems"],"versions":[{"version":"10.0.22631.0","status":"affected","lessThan":"10.0.22631.7711","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96176"},{"vendor":"Microsoft","name":"Windows 11 Version 24H2","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.26100.0","status":"affected","lessThan":"10.0.26100.9974","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96176"},{"vendor":"Microsoft","name":"Windows 11 Version 25H2","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.26200.0","status":"affected","lessThan":"10.0.26200.9974","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96176"},{"vendor":"Microsoft","name":"Windows 11 version 26H1","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.28000.0","status":"affected","lessThan":"10.0.28000.3501","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96176"},{"vendor":"Microsoft","name":"Windows 11 Version 26H2","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.26300.0","status":"affected","lessThan":"10.0.26300.9974","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96176"},{"vendor":"Microsoft","name":"Windows Server 2025","platforms":["x64-based Systems"],"versions":[{"version":"10.0.26100.0","status":"affected","lessThan":"10.0.26100.33822","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96176"},{"vendor":"Microsoft","name":"Windows Server 2025 (Server Core installation)","platforms":["x64-based Systems"],"versions":[{"version":"10.0.26100.0","status":"affected","lessThan":"10.0.26100.33822","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96176"}],"remediation":[],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96176"],"sources":[{"name":"CVE","id":"CVE-2026-96176","modified":"2026-11-13T18:05:28.074Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-96176"}],"assessments":[{"source":"microsoft","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","score":7.5}],"sourceAffected":[],"observedAt":"2026-11-13T19:29:19.569Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T02:25:31.038Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-11T03:10:40.403Z","attemptedAt":"2026-11-11T03:10:40.403Z"},{"source":"GHSA","status":"available","checkedAt":"2026-11-11T03:10:41.113Z","attemptedAt":"2026-11-11T03:10:41.113Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-11T03:10:41.220Z","attemptedAt":"2026-11-11T03:10:41.220Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-11-11T03:10:40.364Z","attemptedAt":"2026-11-11T03:10:40.364Z"}],"evidence":[{"source":"NVD","id":"CVE-2026-96176","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96176","modified":"2026-11-11T02:17:23.270","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","checkedAt":"2026-11-11T03:10:40.403Z"},{"source":"GitHub Advisory Database","id":"GHSA-qm28-7v56-2r6m","url":"https://github.com/advisories/GHSA-qm28-7v56-2r6m","modified":"2026-11-10T21:34:28Z","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","checkedAt":"2026-11-11T03:10:41.113Z"},{"source":"ENISA EUVD","id":"EUVD-2026-121498","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-121498","modified":"Nov 11, 2026, 1:35:04 AM","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","checkedAt":"2026-11-11T03:10:41.220Z"}],"aiSummary":{"text":"Windows DNS in Windows 11 versions 23H2, 24H2, 25H2, 26H1, and 26H2, and Windows Server 2025, has a denial of service vulnerability due to missing release of memory after effective lifetime, allowing an unauthorized attacker to deny service over a network. Affected versions include 10.0.22631.0 to 10.0.22631.7711, 10.0.26100.0 to 10.0.26100.9974, 10.0.26200.0 to 10.0.26200.9974, 10.0.26300.0 to 10.0.26300.9974, and 10.0.28000.0 to 10.0.28000.3501. The weakness is CWE-401: Missing Release of Memory after Effective Lifetime.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-11T03:11:11.951Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-96176"}]}}