CVE-2026-85820 | Microsoft Windows up to Server 2025 Universal Disk Format File System Driver use after free

October 14, 2026 Yanac

A vulnerability, which was classified as very critical, has been found in Microsoft Windows. Affected is an unknown function of the component Universal Disk Format File System Driver. The manipulation leads to use after free.

This vulnerability is documented as CVE-2026-85820. The attack needs to be performed locally. There is not any exploit available.

It is recommended to apply a patch to fix this issue.VulDB Recent EntriesRead More