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CVE-2025-21335

Опубликовано: 14 янв. 2025
Источник: msrc
CVSS3: 7.8
EPSS Низкий

Описание

Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability

FAQ

What privileges could be gained by an attacker who successfully exploited this vulnerability?

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

Does this vulnerability exist in the Hyper-V server?

No, the Hyper-V NT Kernel Integration Virtual Service Provider (VSP) is a component used for communications between the host OS and container-type VMs, such as Windows Sandbox and Microsoft Defender Application Guard (MDAG). It is not in a traditional Hyper-V VM environment. Whereas traditional Hyper-V VMs have a strong boundary between the host and the guest for isolation purposes, container-type VMs like MDAG simulate that they are running on the host. The Hyper-V NT Kernel Integration VSP driver has functionality that enables this simulation.

Microsoft strongly recommends updating to the latest version of Windows to be protected against this vulnerability.

Is this a guest to host type of vulnerability?

No, this is a local elevation of privilege, not any type of guest to host escape.

Обновления

ПродуктСтатьяОбновление
Windows 10 Version 21H2 for x64-based Systems
Windows 11 Version 22H2 for ARM64-based Systems
Windows 11 Version 22H2 for x64-based Systems
Windows 10 Version 22H2 for x64-based Systems
Windows 11 Version 23H2 for ARM64-based Systems
Windows 11 Version 23H2 for x64-based Systems
Windows Server 2022, 23H2 Edition (Server Core installation)
Windows 11 Version 24H2 for ARM64-based Systems
Windows 11 Version 24H2 for x64-based Systems
Windows Server 2025

Показывать по

Возможность эксплуатации

Publicly Disclosed

No

Exploited

Yes

Latest Software Release

Exploitation Detected

DOS

N/A

EPSS

Процентиль: 90%
0.06104
Низкий

7.8 High

CVSS3

Связанные уязвимости

CVSS3: 7.8
nvd
5 месяцев назад

Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability

CVSS3: 7.8
github
5 месяцев назад

Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability

CVSS3: 7.8
fstec
5 месяцев назад

Уязвимость функции VSP Elevation ядра системы аппаратной виртуализации Windows Hyper-V операционных систем Windows, позволяющая нарушителю повысить свои привилегии до уровня SYSTEM

EPSS

Процентиль: 90%
0.06104
Низкий

7.8 High

CVSS3