CVE-2025-21370

Estado: AnalizadaAlta (8.8)—

Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Puntuación base: 8.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.47%
Percentil entre todas las CVEs puntuadas: 39
Fecha de la puntuación: 6/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1068 Exploitation for Privilege Escalationprivilege escalation95 %
Impacto principalT1078 Valid Accountsstealth · persistence · privilege escalation · initial access85 %
Impacto secundarioT1548 Abuse Elevation Control Mechanismprivilege escalation80 %

AV:L/PR:L sin UI indica explotación local (T1068). La vulnerabilidad en VBS Enclave permite elevar privilegios a nivel de sistema, otorgando acceso con credenciales elevadas (T1078) y control de privilegios (T1548).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

User Account Management Privileged Account Management Execution Prevention Update Software Application Developer Guidance Active Directory Configuration

Tecnologías afectadas (3)

Microsoft — Windows 11 22h2 Microsoft — Windows 11 23h2 Microsoft — Windows 11 24h2

CWE

CWE-20
NVD-CWE-noinfo

Referencias

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21370

JSON original (NVD)

Mostrar

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      "lang": "en",
      "value": "Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability"
    },
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    }
  ],
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