CVE-2026-83867 | Microsoft Windows up to Server 2025 Windows Push Notifications heap-based overflow

October 14, 2026 Yanac

A vulnerability was found in Microsoft Windows. It has been declared as very critical. Affected by this issue is some unknown functionality of the component Windows Push Notifications. Executing a manipulation can lead to heap-based buffer overflow.

This vulnerability appears as CVE-2026-83867. The attack requires local access. There is no available exploit.

It is advisable to implement a patch to correct this issue.VulDB Recent EntriesRead More