CVE-2018-8174
Estado: AnalizadaAlta (7.5)⚠ Explotación activa
A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 88%
- Percentil entre todas las CVEs puntuadas: 100
- Fecha de la puntuación: 30/9/2026
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: 15/2/2022
- Plazo de remediación: 15/8/2022
- Uso conocido en ransomware: Known
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1203Exploitation for Client Executionexecution95 % - Impacto principal
T1059Command and Scripting Interpreterexecution90 %
VBScript engine RCE vía objeto malformado en memoria (CWE-787), requiere interacción del usuario (UI:R) para abrir documento/email. KEV confirma explotación activa en ransomware.
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
Tecnologías afectadas (10)
CWE
- CWE-787
- CWE-787
Referencias
- http://www.securityfocus.com/bid/103998
- https://blog.0patch.com/2018/05/a-single-instruction-micropatch-for.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8174
- https://www.exploit-db.com/exploits/44741/
- http://www.securityfocus.com/bid/103998
- https://blog.0patch.com/2018/05/a-single-instruction-micropatch-for.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8174
- https://www.exploit-db.com/exploits/44741/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8174
JSON original (NVD)
Mostrar
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