CVE-2017-8570

Estado: AnalizadaAlta (7.8)⚠ Explotación activa💥 Exploit

Microsoft Office permite una vulnerabilidad de ejecución remota de código debido a la forma en la que gestiona los objetos en la memoria. Esto también se conoce como "Microsoft Office Remote Code Execution Vulnerability". El ID de este CVE es diferente de CVE-2017-0243.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Puntuación base: 7.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 90%
Percentil entre todas las CVEs puntuadas: 100
Fecha de la puntuación: 9/10/2026

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).

CISA KEV — explotada activamente

Añadida al catálogo: 25/2/2022
Plazo de remediación: 25/8/2022
Uso conocido en ransomware: Unknown

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

Publicado en Exploit-DB · Microsoft Office - 'Composite Moniker Remote Code Execution (9/1/2018)
Prueba de concepto en GitHub (no verificada) · Lista de pruebas de concepto en GitHub

⚠️ Las pruebas de concepto de GitHub no están verificadas: algunas son falsas o contienen malware. No las ejecute nunca fuera de un laboratorio aislado.

🎯 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 principalT1059 Command and Scripting Interpreterexecution90 %
Impacto secundarioT1005 Data from Local Systemcollection75 %

CVE-2017-8570 requiere interacción del usuario (UI:R) para abrir un documento Office malicioso que ejecuta código remoto. T1203 es la técnica correcta: explotación para ejecución en el cliente. Los impactos incluyen ejecución de comandos (T1059) y potencial lectura de datos (T1005) desde la máquina

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 Web-Based Content Privileged Account Management Limit Software Installation Execution Prevention Behavior Prevention on Endpoint Disable or Remove Feature or Program

Tecnologías afectadas (1)

Microsoft — Office

CWE

NVD-CWE-noinfo

Referencias

JSON original (NVD)

Mostrar

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