CVE-2025-21221

{"id": "CVE-2025-21221", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2025-04-08T18:15:45.673", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21221", "source": "secure@microsoft.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Primary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-122"}]}], "descriptions": [{"lang": "en", "value": "Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network."}, {"lang": "es", "value": "El desbordamiento del b\u00fafer basado en mont\u00f3n en el Servicio de telefon\u00eda de Windows permite que un atacante no autorizado ejecute c\u00f3digo a trav\u00e9s de una red."}], "lastModified": "2025-04-09T20:03:01.577", "sourceIdentifier": "secure@microsoft.com"}