CVE-2007-0671

Estado: AnalizadaAlta (8.8)⚠ Explotación activa

Unspecified vulnerability in Microsoft Excel 2000, XP, 2003, and 2004 for Mac, and possibly other Office products, allows remote user-assisted attackers to execute arbitrary code via unknown attack vectors, as demonstrated by Exploit-MSExcel.h in targeted zero-day attacks.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Puntuación base: 8.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 43%
Percentil entre todas las CVEs puntuadas: 99
Fecha de la puntuación: 3/10/2026

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: 12/8/2025
Plazo de remediación: 2/9/2025
Uso conocido en ransomware: Unknown

🎯 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 Interpreterexecution80 %
Impacto secundarioT1005 Data from Local Systemcollection65 %
Impacto secundarioT1548 Abuse Elevation Control Mechanismprivilege escalation60 %

Vulnerabilidad en Microsoft Office (Excel) requiere interacción del usuario para ejecutar código remoto. Vector AV:N/UI:R confirma T1203. Impactos: ejecución de código (T1059) por explotación directa, acceso a datos locales (T1005) por compromiso de Office, escalada potencial (T1548) por privilegios

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

Privileged Account Management Execution Prevention Audit Update Software User Account Management Restrict Web-Based Content

Tecnologías afectadas (14)

Microsoft — Access Microsoft — Excel Microsoft — Excel Viewer Microsoft — Frontpage Microsoft — Infopath Microsoft — Office Microsoft — Onenote Microsoft — Outlook Microsoft — Powerpoint Microsoft — Project Microsoft — Publisher Microsoft — Visio Microsoft — Word Microsoft — Word Viewer

CWE

NVD-CWE-noinfo

Referencias

JSON original (NVD)

Mostrar

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