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CVE-2025-21191

Опубликовано: 08 апр. 2025
Источник: msrc
CVSS3: 7
EPSS Низкий

Описание

Windows Local Security Authority (LSA) Elevation of Privilege Vulnerability

Time-of-check time-of-use (toctou) race condition in Windows Local Security Authority (LSA) allows an authorized attacker to elevate privileges locally.

FAQ

Are the updates for Windows 10 for x64-based Systems and Windows 10 for 32-bit Systems currently available?

Yes. As of April 9, 2025, the security update (5055547) for Windows 10 for x64-based Systems and Windows 10 for 32-bit Systems are available. Customers running Windows 10 should ensure the update is installed to be protected from this vulnerability.

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

DOS

N/A

EPSS

Процентиль: 9%
0.00036
Низкий

7 High

CVSS3

Связанные уязвимости

CVSS3: 7
nvd
2 месяца назад

Time-of-check time-of-use (toctou) race condition in Windows Local Security Authority (LSA) allows an authorized attacker to elevate privileges locally.

CVSS3: 7
github
2 месяца назад

Time-of-check time-of-use (toctou) race condition in Windows Local Security Authority (LSA) allows an authorized attacker to elevate privileges locally.

CVSS3: 7
fstec
2 месяца назад

Уязвимость службы Local Security Authority (LSA) операционной системы Windows, позволяющая нарушителю повысить свои привилегии

EPSS

Процентиль: 9%
0.00036
Низкий

7 High

CVSS3