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CVE-2026-113865

Опубликовано: 10 нояб. 2026
Источник: msrc
CVSS3: 7.8

Описание

Windows Hyper-V Elevation of Privilege Vulnerability

Time-of-check time-of-use (toctou) race condition in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

FAQ

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

Successful exploitation of this vulnerability requires an attacker to win a race condition.

What privileges could an attacker gain by exploiting this vulnerability?

An attacker operating inside a guest virtual machine could execute code on the host in the security context of the virtual machine worker process.

Обновления

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

Показывать по

Возможность эксплуатации

Publicly Disclosed

No

Exploited

No

Latest Software Release

Exploitation Less Likely

7.8 High

CVSS3

Связанные уязвимости

CVSS3: 7.8
nvd
2 дня назад

Time-of-check time-of-use (toctou) race condition in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

CVSS3: 7.8
github
2 дня назад

Time-of-check time-of-use (toctou) race condition in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

7.8 High

CVSS3