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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Improper link resolution before file access ('link following') in Windows Update Stack allows an authorized attacker to elevate privileges locally."}, {"lang": "es", "value": "La resoluci\u00f3n incorrecta de un enlace antes del acceso al archivo ('seguimiento de enlace') en Windows Update Stack permite que un atacante autorizado eleve privilegios localmente."}], "id": "CVE-2025-21204", "lastModified": "2025-05-29T14:15:34.340", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "secure@microsoft.com", "type": "Secondary"}]}, "published": "2025-04-08T18:15:45.343", "references": [{"source": "secure@microsoft.com", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21204"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.vicarius.io/vsociety/posts/cve-2025-21204-privilege-elevation-vulnerability-in-microsoft-windows-update-stack-detection-script"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.vicarius.io/vsociety/posts/cve-2025-21204-privilege-elevation-vulnerability-in-microsoft-windows-update-stack-mitigation-script"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-59"}], "source": "secure@microsoft.com", "type": "Secondary"}]}

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