CVE-2026-58691

Estado: AnalizadaAlta (8.4)—

In FsmReleaseKey of fsm.c, there is a possible permission bypass due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 8.4

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.10%
Percentil entre todas las CVEs puntuadas: 1
Fecha de la puntuación: 3/10/2026

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 escalation85 %
Impacto principalT1078.001 Default Accountsstealth · persistence · privilege escalation · initial access75 %

Vulnerabilidad local (AV:L, PR:N, UI:N) con escalada de privilegios. Acceso mejorado a cuenta de sistema/raíz tras bypassear validación de entrada en FsmReleaseKey.

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

Threat Intelligence Program Password Policies Multi-factor Authentication Execution Prevention Application Isolation and Sandboxing Exploit Protection

Tecnologías afectadas (1)

Google — Android

CWE

CWE-20

Referencias

https://source.android.com/docs/security/bulletin/pixel/2026/2026-09-01

JSON original (NVD)

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