CVE-2026-28727

Estado: ModificadaAlta (7.8)—

Local privilege escalation due to insecure Unix socket permissions. The following products are affected: Acronis Cyber Protect 17 (macOS) before build 41186, Acronis Cyber Protect Cloud Agent (macOS) before build 41124, Acronis True Image (macOS) before build 42902.

CVSS

Versión: 3.0
Vector: CVSS:3.0/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: 0.15%
Percentil entre todas las CVEs puntuadas: 3
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 principalT1548 Abuse Elevation Control Mechanismprivilege escalation90 %
Impacto secundarioT1222.002 Linux and Mac Permissionsdefense impairment85 %

Vector AV:L, PR:L, UI:N indica escalada local sin interacción. CWE-276 (permisos inseguros en socket Unix) permite obtener privilegios elevados. Acceso local con PR:L justifica T1068; impactos: privilegios de root (T1548) y modificación de permisos del sistema de archivos (T1222.002).

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

Restrict File and Directory Permissions Privileged Account Management Execution Prevention Update Software User Account Management Threat Intelligence Program

Tecnologías afectadas (2)

Acronis — Agent Acronis — Cyber Protect

CWE

CWE-276

Referencias

https://security-advisory.acronis.com/advisories/SEC-9408

JSON original (NVD)

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