CVE-2023-21674
Estado: AnalizadaAlta (8.8)⚠ Explotación activa
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 41%
- Percentil entre todas las CVEs puntuadas: 99
- 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: 10/1/2023
- Plazo de remediación: 31/1/2023
- 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.
- Explotación
T1068Exploitation for Privilege Escalationprivilege escalation95 % - Impacto principal
T1059.001PowerShellexecution90 % - Impacto secundario
T1078.001Default Accountsstealth · persistence · privilege escalation · initial access75 %
Vulnerabilidad ALPC en Windows (CWE-416, use-after-free) con AV:L/PR:L permite escalada local sin interacción. Ejecución de código en contexto privilegiado confirmada por impacto C:H/I:H/A:H.
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 (13)
Microsoft — Windows 10 1507Microsoft — Windows 10 1607Microsoft — Windows 10 1809Microsoft — Windows 10 20h2Microsoft — Windows 10 21h2Microsoft — Windows 10 22h2Microsoft — Windows 11 21h2Microsoft — Windows 11 22h2Microsoft — Windows RT 8.1Microsoft — Windows Server 2012Microsoft — Windows Server 2016Microsoft — Windows Server 2019Microsoft — Windows Server 2022
CWE
- CWE-416
- CWE-416
Referencias
JSON original (NVD)
Mostrar
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