CVE-2026-123376 | Microsoft Outlook heap-based overflow

November 10, 2026 Yanac

A vulnerability marked as critical has been reported in Microsoft Outlook. Affected by this vulnerability is an unknown functionality. The manipulation leads to heap-based buffer overflow.

This vulnerability is referenced as CVE-2026-123376. Remote exploitation of the attack is possible. No exploit is available.

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