CVE-2018-8405
Estado: AnalizadaAlta (7.8)⚠ Explotación activa
An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory, aka "DirectX Graphics Kernel Elevation of Privilege Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8400, CVE-2018-8401, CVE-2018-8406.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 7.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 3.44%
- Percentil entre todas las CVEs puntuadas: 89
- Fecha de la puntuación: 6/10/2026
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: 28/3/2022
- Plazo de remediación: 18/4/2022
- 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
T1068Exploitation for Privilege Escalationprivilege escalation95 %
Vulnerabilidad de escalada de privilegios en DXGKRNL (kernel, acceso local requerido) confirmada activamente explotada por ransomware. Permite ejecución de código con privilegios elevados desde contexto de usuario.
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 (11)
Microsoft — Windows 10 1507Microsoft — Windows 10 1607Microsoft — Windows 10 1703Microsoft — Windows 10 1709Microsoft — Windows 10 1803Microsoft — Windows 8.1Microsoft — Windows RT 8.1Microsoft — Windows Server 1709Microsoft — Windows Server 1803Microsoft — Windows Server 2012Microsoft — Windows Server 2016
CWE
- CWE-404
- CWE-404
Referencias
- http://www.securityfocus.com/bid/105011
- http://www.securitytracker.com/id/1041461
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8405
- http://www.securityfocus.com/bid/105011
- http://www.securitytracker.com/id/1041461
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8405
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8405
JSON original (NVD)
Mostrar
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