CVE-2026-23656

{"id": "CVE-2026-23656", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}]}, "published": "2026-03-10T18:18:13.900", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23656", "tags": ["Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-345"}]}], "descriptions": [{"lang": "en", "value": "Insufficient verification of data authenticity in Windows App Installer allows an unauthorized attacker to perform spoofing over a network."}, {"lang": "es", "value": "Verificaci\u00f3n insuficiente de la autenticidad de los datos en el Instalador de Aplicaciones de Windows permite a un atacante no autorizado realizar suplantaci\u00f3n a trav\u00e9s de una red."}], "lastModified": "2026-03-12T19:15:00.713", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:windows_app:*:*:*:*:*:windows:*:*", "vulnerable": true, "matchCriteriaId": "6AEA65A6-BF6A-4C20-B8F8-B3A1DB1988AE", "versionEndExcluding": "2.0.964.0"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}