#VU107195 Sensitive Data Storage in Improperly Locked Memory in Windows and Windows Server - CVE-2025-27732

Vulnerability identifier: #VU107195

Vulnerability risk: Low

CVSSv4.0: 4.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-27732

CWE-ID: CWE-591

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to sensitive data storage in improperly locked memory in Windows Graphics Component. A local user can win a race condition and gain elevated privileges on the target system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Windows: 10 21H2 10.0.19041.3920 - 10 21H2 10.0.19044.5608, 10 22H2 10.0.19041.3920 - 10 22H2 10.0.19045.5608, 10 1607 10.0.14393.10 - 10 1607 10.0.14393.7876, 10 1809 10.0.17763.1 - 10 1809 10.0.17763.7009, 11 22H2 10.0.22449.1000 - 11 22H2 10.0.22621.5039, 11 23H2 10.0.22631.1825 - 11 23H2 10.0.22631.5039, 11 24H2 10.0.26052.1000 - 11 24H2 10.0.26100.3476

Windows Server: 2008 R2 SP1 - 2008 6.0.6003.23168, 2012 Gold - 2012 6.2.9200.25368, 2016 10.0.14393.10 - 2016 10.0.14393.7876, 2019 10.0.17763.1 - 2019 10.0.17763.7009, 2022 10.0.20348.202 - 2022 23H2 10.0.25398.1486, 2025 10.0.26100.1742 - 2025 10.0.26100.3476

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-27732

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.