#VU107192 Sensitive Data Storage in Improperly Locked Memory in Windows - CVE-2025-27475

Vulnerability identifier: #VU107192

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-2025-27475

CWE-ID: CWE-591

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Windows
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 Update Stack. 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 1607 10.0.14393.10 - 10 1607 10.0.14393.7876, 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

---

External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-27475

---

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.