CVE-2026-42896 | Microsoft Windows 11 24H2/11 25H2/11 26H1/Server 2025 DWM Core Library integer overflow
A vulnerability, which was classified as critical, was found in Microsoft Windows 11 24H2/11 25H2/11 26H1/Server 2025. Affected by this issue is some unknown functionality of the component DWM Core Library. Executing a manipulation can lead to integer overflow.
This vulnerability is tracked as CVE-2026-42896. The attack is restricted to local execution. No exploit exists.
You should upgrade the affected component.