CVE-2025-21418

{"id": "CVE-2025-21418", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2025-02-11T18:15:40.023", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21418", "tags": ["Patch", "Vendor Advisory"], "source": "[email protected]"}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21418", "tags": ["US Government Resource"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-122"}]}, {"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability"}, {"lang": "es", "value": "Controlador de funci\u00f3n auxiliar de Windows para vulnerabilidad de elevaci\u00f3n de privilegios de WinSock"}], "lastModified": "2025-10-27T17:13:10.787", "cisaActionDue": "2025-03-04", "cisaExploitAdd": "2025-02-11", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "CFBEF986-E905-4BB5-B385-235915023D89", "versionEndExcluding": "10.0.10240.20915"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "1BFC22FD-A703-4D65-9126-955BB9540340", "versionEndExcluding": 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"sourceIdentifier": "[email protected]", "cisaRequiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.", "cisaVulnerabilityName": "Microsoft Windows Ancillary Function Driver for WinSock Heap-Based Buffer Overflow Vulnerability"}