CVE-2026-78505 | Microsoft Office heap-based overflow

September 9, 2026 Yanac

A vulnerability was found in Microsoft Office. It has been classified as critical. This affects an unknown part. The manipulation leads to heap-based buffer overflow.

This vulnerability is listed as CVE-2026-78505. The attack may be initiated remotely. There is no available exploit.

Applying a patch is the recommended action to fix this issue.VulDB Recent EntriesRead More