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CVE-2026-20863

Опубликовано: 13 янв. 2026
Источник: msrc
CVSS3: 7
EPSS Низкий

Описание

Win32k Elevation of Privilege Vulnerability

Double free in Windows Win32K - ICOMP 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 be gained by an attacker who successfully exploited this vulnerability?

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

Обновления

ПродуктСтатьяОбновление
Windows Server 2022
Windows Server 2022 (Server Core installation)
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
Windows Server 2025 (Server Core installation)
Windows 11 Version 25H2 for ARM64-based Systems

Показывать по

Возможность эксплуатации

Publicly Disclosed

No

Exploited

No

Latest Software Release

Exploitation Less Likely

EPSS

Процентиль: 9%
0.00032
Низкий

7 High

CVSS3

Связанные уязвимости

CVSS3: 7
nvd
2 месяца назад

Double free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.

CVSS3: 7
github
2 месяца назад

Double free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.

CVSS3: 7
fstec
2 месяца назад

Уязвимость компонента Win32k (Win32k.sys) операционных систем Windows, позволяющая нарушителю повысить свои привилегии

EPSS

Процентиль: 9%
0.00032
Низкий

7 High

CVSS3