CVE-2026-85817
Estado: AnalizadaAlta (8.8)—
Gravedad8.8Alta · CVSS 3.1
Probabilidad de explotación0.72 %mayor que el 53 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado
La dependencia de entradas no fiables en una decisión de seguridad en Windows PowerShell permite a un atacante no autorizado ejecutar código a través de una red.
Traducción automática del texto original de NVD (en inglés).
CVSS
- Puntuación base
- 8.8
- Versión
- 3.1
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días
- 0.72 %
- Percentil entre todas las CVEs puntuadas
- 53
- Fecha de la puntuación
- 20/10/2026
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).
Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1203Exploitation for Client Executionexecution85 % - Impacto principal
T1059.001PowerShellexecution80 %
El vector CVSS con UI:R (AV:N, PR:N) fija T1203; la descripción nombra Windows PowerShell y ejecución de código por red sin autenticación, de ahí T1059.001.
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 1607Microsoft — Windows 10 1809Microsoft — Windows 10 21h2Microsoft — Windows 10 22h2Microsoft — Windows 11 23h2Microsoft — Windows 11 24h2Microsoft — Windows 11 25h2Microsoft — Windows 11 26h1Microsoft — Windows 11 26h2Microsoft — Windows Server 2012Microsoft — Windows Server 2016Microsoft — Windows Server 2019Microsoft — Windows Server 2022Microsoft — Windows Server 2025
CWE
- CWE-807
Referencias
Mostrar las 1 referencias
JSON original (NVD)
Mostrar
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