{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2026-119955","sourceIdentifier":"secure@microsoft.com","published":"2026-11-10T19:20:19.503","lastModified":"2026-11-10T19:20:19.633","vulnStatus":"Awaiting Analysis","cveTags":[],"descriptions":[{"lang":"en","value":"Uncontrolled resource consumption in Windows Hyper-V allows an authorized attacker to deny service locally."}],"affected":[{"source":"secure@microsoft.com","affectedData":[{"vendor":"Microsoft","product":"Windows 11 version 23H2","platforms":["ARM64-based Systems"],"versions":[{"version":"10.0.22631.0","lessThan":"10.0.22631.7711","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 11 Version 23H2","platforms":["x64-based Systems"],"versions":[{"version":"10.0.22631.0","lessThan":"10.0.22631.7711","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 11 Version 24H2","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.26100.0","lessThan":"10.0.26100.9974","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 11 Version 25H2","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.26200.0","lessThan":"10.0.26200.9974","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 11 version 26H1","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.28000.0","lessThan":"10.0.28000.3501","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 11 Version 26H2","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.26300.0","lessThan":"10.0.26300.9974","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2022","platforms":["x64-based Systems"],"versions":[{"version":"10.0.20348.0","lessThan":"10.0.20348.5870","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2025","platforms":["x64-based Systems"],"versions":[{"version":"10.0.26100.0","lessThan":"10.0.26100.33822","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2025 (Server Core installation)","platforms":["x64-based Systems"],"versions":[{"version":"10.0.26100.0","lessThan":"10.0.26100.33822","versionType":"custom","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"secure@microsoft.com","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H","baseScore":6.0,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.5,"impactScore":4.0}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-11-10T18:57:12.432977Z","id":"CVE-2026-119955","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"secure@microsoft.com","type":"Primary","description":[{"lang":"en","value":"CWE-401"}]}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119955","source":"secure@microsoft.com"}]}}