CVE-2026-69799

Estado: AnalizadaAlta (7.8)—

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Hello allows an authorized attacker to elevate privileges locally.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Puntuación base: 7.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.20%
Percentil entre todas las CVEs puntuadas: 9
Fecha de la puntuación: 4/10/2026

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.

ExplotaciónT1068 Exploitation for Privilege Escalationprivilege escalation95 %

Vulnerabilidad de race condition en Windows Hello con acceso local (AV:L) sin interacción (UI:N) que permite escalada de privilegios (S:C, I:H). CWE-362 confirma sincronización impropia.

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

Threat Intelligence Program Execution Prevention Application Isolation and Sandboxing Exploit Protection Update Software

Tecnologías afectadas (6)

Microsoft — Windows 10 21h2 Microsoft — Windows 10 22h2 Microsoft — Windows 11 23h2 Microsoft — Windows 11 24h2 Microsoft — Windows 11 25h2 Microsoft — Windows 11 26h1

CWE

CWE-362

Referencias

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69799

JSON original (NVD)

Mostrar

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