CVE-2025-27997

Estado: AnalizadaAlta (8.4)—

An issue in Blizzard Battle.net v2.40.0.15267 allows attackers to escalate privileges via placing a crafted shell script or executable into the C:\ProgramData directory.

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: 0.17%
Percentil entre todas las CVEs puntuadas: 6
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 principalT1574.007 Path Interception by PATH Environment Variablestealth · execution85 %
Impacto secundarioT1059 Command and Scripting Interpreterexecution80 %

AV:L sin interacción indica escalada local (T1068). CWE-427 confirma DLL hijacking (T1574.007). La ejecución de scripts en ProgramData permite ejecución de código (T1059) posterior.

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

Execution Prevention Audit Threat Intelligence Program Restrict Web-Based Content Restrict File and Directory Permissions Privileged Account Management

Tecnologías afectadas (1)

Blizzard — Battle.net

CWE

CWE-427

Referencias

https://gist.github.com/sornram9254/4593dd5eb2bcca50d68dc6ac70e40b24

JSON original (NVD)

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