Use of uninitialized resource in Microsoft Windows and Windows Server - CVE-2025-33052

Vulnerability identifier: #VU110711

CSH Severity: Medium

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-33052

CWE-ID: CWE-908

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to bypass certain security restrictions.

The vulnerability exists due to usage of uninitialized resources in Windows DWM Core Library. A local user can pass specially crafted data to the application, trigger uninitialized usage of resources and gain access to sensitive information.

Microsoft Windows
Windows Server

Install updates from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.5965, 10 22H2 10.0.19045.5965, 10 1607 10.0.14393.8148, 10 1809 10.0.17763.7434, 11 22H2 10.0.22621.5472, 11 23H2 10.0.22631.5472, 11 24H2 10.0.26100.4270, 11 24H2 10.0.26100.4349
Windows Server - addressed in versions 2012 R2 6.3.9600.22620, 2019 10.0.17763.7434, 2022 23H2 10.0.25398.1665, 2022 10.0.20348.3745, 2022 10.0.20348.3807, 2025 10.0.26100.4270, 2025 10.0.26100.4349

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-33052

• Information disclosure in Microsoft Windows DWM Core Library