CVE-2026-40409 | Microsoft Windows up to Server 2025 Universal Disk Format File System Driver numeric truncation error
A vulnerability was found in Microsoft Windows. It has been declared as critical. This vulnerability affects unknown code of the component Universal Disk Format File System Driver. Executing a manipulation can lead to numeric truncation error.
This vulnerability is tracked as CVE-2026-40409. The attack is restricted to local execution. No exploit exists.
It is recommended to upgrade the affected component.