CVE-2025-21335
Estado: AnalizadaAlta (7.8)⚠ Explotación activa
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 7.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.39%
- Percentil entre todas las CVEs puntuadas: 71
- 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).
CISA KEV — explotada activamente
- Añadida al catálogo: 14/1/2025
- Plazo de remediación: 4/2/2025
- Uso conocido en ransomware: Unknown
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1068Exploitation for Privilege Escalationprivilege escalation95 % - Impacto principal
T1059Command and Scripting Interpreterexecution85 % - Impacto secundario
T1548Abuse Elevation Control Mechanismprivilege escalation80 %
CVE-2025-21335 afecta Hyper-V con vector AV:L/PR:L, requiriendo acceso local con privilegios limitados para escalar. La explotación permite ejecución de código en el kernel, confirmado por CVSS 3.1 con C:H/I:H/A:H y uso activo en ransomware.
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
Tecnologías afectadas (7)
CWE
- CWE-416
Referencias
JSON original (NVD)
Mostrar
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