CVE-2026-42834

{"id": "CVE-2026-42834", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-42834", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-05-20T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "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}]}, "affected": [{"source": "secure@microsoft.com", "affectedData": [{"vendor": "Microsoft", "product": "Windows Admin Center in Azure Portal", "versions": [{"status": "affected", "version": "1.0", "lessThan": "0.72.0.0.", "versionType": "custom"}]}]}], "published": "2026-05-20T13:16:34.500", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42834", "tags": ["Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-59"}]}], "descriptions": [{"lang": "en", "value": "Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges over a network."}, {"lang": "es", "value": "Resoluci\u00f3n de enlace incorrecta antes del acceso a archivos (seguimiento de enlaces) en Azure Portal Windows Admin Center permite a un atacante autorizado elevar privilegios localmente."}], "lastModified": "2026-07-23T12:10:00.110", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:windows_admin_center:*:*:*:*:*:azure:*:*", "vulnerable": true, "matchCriteriaId": "A03F6B4A-F5F3-4FA8-A133-D47441305B5F", "versionEndExcluding": "0.72.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}