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CVE-2026-20869

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

Описание

Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Local Session Manager (LSM) 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 2008 for 32-bit Systems Service Pack 2
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows Server 2012
Windows Server 2012 (Server Core installation)
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)

Показывать по

Возможность эксплуатации

Publicly Disclosed

No

Exploited

No

Latest Software Release

Exploitation Less Likely

EPSS

Процентиль: 12%
0.00041
Низкий

7 High

CVSS3

Связанные уязвимости

CVSS3: 7
nvd
21 день назад

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Local Session Manager (LSM) allows an authorized attacker to elevate privileges locally.

CVSS3: 7
github
21 день назад

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Local Session Manager (LSM) allows an authorized attacker to elevate privileges locally.

CVSS3: 7
fstec
22 дня назад

Уязвимость компонента Windows Local Session Manager (LSM) операционной системы Windows, позволяющая нарушителю повысить свои привилегии

EPSS

Процентиль: 12%
0.00041
Низкий

7 High

CVSS3