CVE-2026-26128

{"id": "CVE-2026-26128", "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": "2026-03-10T18:18:41.903", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26128", "tags": ["Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-287"}]}], "descriptions": [{"lang": "en", "value": "Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally."}, {"lang": "es", "value": "Autenticaci\u00f3n incorrecta en el servidor SMB de Windows permite a un atacante autorizado elevar privilegios localmente."}], "lastModified": "2026-03-24T17:28:18.953", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "5AA53525-2EE3-4815-9EEB-49572C16AFC1", "versionEndExcluding": "10.0.14393.8957"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "CB112C3D-A9C8-41A3-A3DD-ACB42387D087", "versionEndExcluding": "10.0.14393.8957"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "B2DCF6CD-BA92-4DB2-855E-DE8158AC6B57", "versionEndExcluding": "10.0.17763.8511"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": 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