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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over an adjacent network."}], "id": "CVE-2026-40413", "lastModified": "2026-05-13T15:34:52.573", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.0, "source": "secure@microsoft.com", "type": "Primary"}]}, "published": "2026-05-12T18:17:19.167", "references": [{"source": "secure@microsoft.com", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40413"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "secure@microsoft.com", "type": "Primary"}]}

{}