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CVE-2026-20809

Опубликовано: 13 янв. 2026
Источник: msrc
CVSS3: 7.8
EPSS Низкий

Описание

Windows Kernel Memory Elevation of Privilege Vulnerability

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

FAQ

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

An attacker who successfully exploited this vulnerability could gain Kernel Memory Access.

Обновления

ПродуктСтатьяОбновление
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)
Windows Server 2016
Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1607 for x64-based Systems
Windows Server 2016 (Server Core installation)
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for x64-based Systems
Windows Server 2019
Windows Server 2019 (Server Core installation)

Показывать по

Возможность эксплуатации

Publicly Disclosed

No

Exploited

No

Latest Software Release

Exploitation Less Likely

EPSS

Процентиль: 14%
0.00044
Низкий

7.8 High

CVSS3

Связанные уязвимости

CVSS3: 7.8
nvd
21 день назад

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

CVSS3: 7.8
github
21 день назад

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

CVSS3: 7.8
fstec
22 дня назад

Уязвимость компонента Windows Kernel Memory операционных систем Windows, позволяющая нарушителю повысить свои привилегии

EPSS

Процентиль: 14%
0.00044
Низкий

7.8 High

CVSS3