CVE-2026-44805

{"id": "CVE-2026-44805", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2026-06-09T17:17:16.480", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44805", "tags": ["Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-416"}, {"lang": "en", "value": "CWE-822"}]}], "descriptions": [{"lang": "en", "value": "Use after free in Windows Network Controller (NC) Host Agent allows an authorized attacker to deny service locally."}], "lastModified": "2026-06-11T18:55:54.507", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07C08212-A30E-4434-A17C-542E45D1E272", "versionEndExcluding": "10.0.17763.8880"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "27363D97-D4A9-4709-9854-F78F7EBCFB27", "versionEndExcluding": "10.0.20348.5256"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "E127A6E6-C261-4039-8A13-A2FAC4606573", "versionEndExcluding": "10.0.26100.32995"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}