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CVE-2026-26131

Estado: AnalizadaAlta (7.8)—

Incorrect default permissions in .NET allows an authorized attacker to elevate privileges locally.

CVSS

Probabilidad de explotación (EPSS)

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.

Acceso local (AV:L) sin interacción (UI:N) con privilegios de usuario (PR:L) en .NET. CWE-276 (permisos por defecto incorrectos) permite escalada de privilegios local. La pista sugiere T1222 (cambio de permisos).

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 ProgramRestrict File and Directory PermissionsPrivileged Account ManagementExecution PreventionApplication Isolation and SandboxingExploit Protection

Tecnologías afectadas (1)

Microsoft — .net

CWE

Referencias

JSON original (NVD)

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