Use-after-free in Microsoft Windows and Windows Server - CVE-2025-54112

Vulnerability identifier: #VU115090

CSH Severity: Low

CVSS v4: 7.3 [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]

CVE-ID: CVE-2025-54112

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in Microsoft Virtual Hard Disk. A local user can win a race condition and gain elevated privileges on the target system.

Microsoft Windows
Windows Server

Install updates from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.6332, 10 22H2 10.0.19045.6332, 10 1507 10.0.10240.21128, 10 1607 10.0.14393.8422, 10 1809 10.0.17763.7792, 11 22H2 10.0.22621.5909, 11 23H2 10.0.22631.5909, 11 24H2 10.0.26100.6508, 11 24H2 10.0.26100.6584
Windows Server - addressed in versions 2012 R2 6.3.9600.22774, 2016 10.0.14393.8422, 2019 10.0.17763.7792, 2022 23H2 10.0.25398.1849, 2022 10.0.20348.4106, 2022 10.0.20348.4171, 2025 10.0.26100.6508, 2025 10.0.26100.6584

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54112

• Privilege escalation in Microsoft Virtual Hard Disk