CVE-2025-21335
Microsoft Windows Hyper-V NT Kernel Integration VSP Use-After-Free Vulnerability
CVSS
7.8
Alto
EPSS
1.4%
p72
KEV
SÍ
14 ene 2025
Exploit Today
72
0-100
Publicado: 14 ene 2025 · Última mod.: 24 sept 2026 · CWE-416
Producto
Microsoft / Windows
Vulnerabilidad
Microsoft Windows Hyper-V NT Kernel Integration VSP Use-After-Free Vulnerability
Añadido a KEV
14 ene 2025
Remediar antes de
4 feb 2025
Uso conocido en ransomware
No
Descripción resumida
Microsoft Windows Hyper-V NT Kernel Integration VSP contains a use-after-free vulnerability that allows a local attacker to gain SYSTEM privileges.
Acción requerida
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notas
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-21335 ; https://nvd.nist.gov/vuln/detail/CVE-2025-21335
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability