CVE-2022-26923
Estado: AnalizadaAlta (8.8)⚠ Explotación activa
Active Directory Domain Services Elevation of Privilege Vulnerability
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 84%
- Percentil entre todas las CVEs puntuadas: 100
- 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: 18/8/2022
- Plazo de remediación: 8/9/2022
- 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
T1210Exploitation of Remote Serviceslateral movement85 % - Impacto principal
T1557Adversary-in-the-Middlecredential access · collection75 % - Impacto secundario
T1098Account Manipulationpersistence · privilege escalation80 % - Impacto secundario
T1556Modify Authentication Processdefense impairment · persistence · credential access70 %
CVE-2022-26923 es una vulnerabilidad de escalada de privilegios en AD DS (vector AV:N, PR:L) que requiere acceso de red autenticado. Permite interceptación de tráfico NTLM (T1557) y manipulación de cuentas/credenciales tras comprometer la confianza del dominio.
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 (14)
Microsoft — Windows 10 1507Microsoft — Windows 10 1607Microsoft — Windows 10 1809Microsoft — Windows 10 1909Microsoft — Windows 10 20h2Microsoft — Windows 10 21h1Microsoft — Windows 10 21h2Microsoft — Windows 11 21h2Microsoft — Windows 8.1Microsoft — Windows RT 8.1Microsoft — Windows Server 2012Microsoft — Windows Server 2016Microsoft — Windows Server 2019Microsoft — Windows Server 2022
CWE
- CWE-295
- CWE-295
Referencias
JSON original (NVD)
Mostrar
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