CVE-2026-20820 | Microsoft Windows up to Server 2025 Common Log File System Driver heap-based overflow

January 13, 2026 Yanac

A vulnerability categorized as critical has been discovered in Microsoft Windows. The impacted element is an unknown function of the component Common Log File System Driver. Such manipulation leads to heap-based buffer overflow.

This vulnerability is traded as CVE-2026-20820. An attack has to be approached locally. There is no exploit available.

A patch should be applied to remediate this issue.VulDB Recent EntriesRead More