{"affected":[{"platforms":["ARM64-based Systems"],"product":"Windows 11 version 23H2","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.22631.7711","status":"affected","version":"10.0.22631.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows 11 Version 23H2","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.22631.7711","status":"affected","version":"10.0.22631.0","versionType":"custom"}]},{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 Version 24H2","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.9974","status":"affected","version":"10.0.26100.0","versionType":"custom"}]},{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 Version 25H2","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.26200.9974","status":"affected","version":"10.0.26200.0","versionType":"custom"}]},{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 version 26H1","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.28000.3501","status":"affected","version":"10.0.28000.0","versionType":"custom"}]},{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 Version 26H2","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.26300.9974","status":"affected","version":"10.0.26300.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows Server 2022","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.20348.5870","status":"affected","version":"10.0.20348.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows Server 2025","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.33822","status":"affected","version":"10.0.26100.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows Server 2025 (Server Core installation)","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.33822","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}],"cveId":"CVE-2026-88236","cwes":["CWE-476"],"description":"Null pointer dereference in Microsoft QUIC allows an unauthorized attacker to deny service over a network.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":7.5,"severity":"high","source":"CNA: 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","version":"3.1"},{"score":7.5,"severity":"high","source":"NVD: secure@microsoft.com","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1794361004640,"publishedAt":1794334547955,"references":[{"source":"CNA: microsoft","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88236"},{"source":"secure@microsoft.com","tags":[],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88236"}],"remediation":[{"kind":"fix","source":"CNA: microsoft","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88236"}],"revision":"64e4c22ed210a98d43b7fab3211235d3ce69f976baef968ad40915658513e727","sources":[{"modifiedAt":1794361004640,"name":"CNA: microsoft","retrievedAt":1794363030069,"url":"https://www.cve.org/CVERecord?id=CVE-2026-88236"},{"modifiedAt":1794338492667,"name":"NVD","retrievedAt":1794356943518,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88236"}],"ssvc":{"assessedAt":1794360833973,"automatable":"yes","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Microsoft QUIC Denial of Service Vulnerability","updatedAt":1794363030069}