Heap-based buffer overflow in Windows and Windows Server - CVE-2025-49744

Vulnerability identifier: #VU112553

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-2025-49744

CWE-ID: CWE-122

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Windows Graphics Component. A local user can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Windows
Windows Server
Windows
Windows
Windows
Windows
Windows
Windows
Windows
Windows
Windows Server
Windows Server
Windows Server
Windows Server
Windows Server
Windows Server

Install updates from vendor's website.

Windows - addressed in versions 10 21H2, 10 22H2, 10 1507, 10 1607, 10 1809, 11 22H2, 11 23H2, 11 24H2
Windows Server - addressed in versions 2016, 2019, 2022, 2022 23H2, 2025

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49744