CVE-2026-27913

Estado: AnalizadaAlta (7.7)—

Improper input validation in Windows BitLocker allows an unauthorized attacker to bypass a security feature locally.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Puntuación base: 7.7

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.37%
Percentil entre todas las CVEs puntuadas: 28
Fecha de la puntuación: 5/10/2026

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 principalT1098 Account Manipulationpersistence · privilege escalation85 %
Impacto secundarioT1652 Device Driver Discoverydiscovery75 %

Vector CVSS AV:L/PR:N/UI:N indica acceso local sin interacción (T1068). BitLocker bypass permite eludir autenticación y acceder a credenciales/cuentas (T1098) y datos encriptados (T1652).

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 Threat Intelligence Program Restrict File and Directory Permissions Privileged Account Management Operating System Configuration Network Segmentation

Tecnologías afectadas (5)

Microsoft — Windows Server 2012 Microsoft — Windows Server 2016 Microsoft — Windows Server 2019 Microsoft — Windows Server 2022 Microsoft — Windows Server 2022 23h2

CWE

CWE-20

Referencias

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27913

JSON original (NVD)

Mostrar

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