CVE-2025-21418

{"id": "CVE-2025-21418", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "secure@microsoft.com", "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": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-122"}]}, {"type": "Primary", "source": "nvd@nist.gov", "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": "2025-02-12T18:14:34.870", "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": "10.0.10240.20915"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "B5BC47F5-150E-4D18-8CC4-356F22171D81", "versionEndExcluding": "10.0.17763.6893"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "E448ECB4-CE46-4A29-A092-5A4D334E5535", "versionEndExcluding": "10.0.17763.6893"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A932CBA3-651F-4BBA-968A-2D6CA7DF8506", "versionEndExcluding": "10.0.19044.5487"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "810C8ECB-619F-447C-B352-E66F7EF5216E", "versionEndExcluding": "10.0.19045.5487"}, {"criteria": "cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "30AF7170-5722-4C9C-A8AD-7A9F0C5952EE", "versionEndExcluding": "10.0.22621.4890"}, {"criteria": "cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62FFD367-FB8B-48CA-813F-760E4F393555", "versionEndExcluding": "10.0.22631.4890"}, {"criteria": "cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B9C5B9BC-F08B-49F8-82D3-7CC6BDB68995", "versionEndExcluding": "10.0.26100.3194"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5F422A8C-2C4E-42C8-B420-E0728037E15C"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "AF07A81D-12E5-4B1D-BFF9-C8D08C32FF4F"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A7DF96F8-BA6A-4780-9CA3-F719B3F81074"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DB18C4CE-5917-401E-ACF7-2747084FD36E"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "041FF8BA-0B12-4A1F-B4BF-9C4F33B7C1E7"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "273EE4B9-8B53-4387-98C8-EC5D2558DB82", "versionEndExcluding": "10.0.17763.6893"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1711CDE0-4C93-40D3-91B7-DE507143A45F", "versionEndExcluding": "10.0.20348.3207"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D3106289-A3E3-4508-B118-17BD2488D681", "versionEndExcluding": "10.0.25398.1425"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "C5C38103-E0F4-4302-98CE-BD8B20460004", "versionEndExcluding": "10.0.26100.3194"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com", "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"}