CVE-2025-59232

Estado: AnalizadaAlta (7.1)—

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Puntuación base: 7.1

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.48%
Percentil entre todas las CVEs puntuadas: 40
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.

ExplotaciónT1203 Exploitation for Client Executionexecution85 %
Impacto principalT1005 Data from Local Systemcollection75 %

AV:L + UI:R indica ejecución en cliente (abrir fichero Excel preparado). Out-of-bounds read permite lectura de información (T1005), no ejecución de comandos.

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

Application Isolation and Sandboxing Exploit Protection Update Software Data Loss Prevention

Tecnologías afectadas (7)

Microsoft — 365 Apps Microsoft — Access Microsoft — Excel Microsoft — Office Microsoft — Office Long Term Servicing Channel Microsoft — Office Online Server Microsoft — Sharepoint Server

CWE

CWE-125

Referencias

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59232

JSON original (NVD)

Mostrar

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