CVE-2026-40404

{"id": "CVE-2026-40404", "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": "2026-06-09T17:17:06.240", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40404", "tags": ["Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-122"}, {"lang": "en", "value": "CWE-197"}]}], "descriptions": [{"lang": "en", "value": "Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability"}], "lastModified": "2026-06-10T19:58:18.257", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "039BC4EF-6E49-4A8C-B1A4-BFAD9F24EC01", "versionEndExcluding": "10.0.14393.9234"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "2221A0A5-45F3-4903-943A-19E7AA69496B", "versionEndExcluding": "10.0.14393.9234"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "03A4C97D-FE89-4367-9A0E-E4E65BD49E18", "versionEndExcluding": "10.0.17763.8880"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "FE809AA0-E917-495F-BB11-59215F47E14F", "versionEndExcluding": "10.0.17763.8880"}, {"criteria": 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