CVE-2026-88091 | Microsoft Windows up to Server 2025 Instrumentation deserialization

October 14, 2026 Yanac

A vulnerability described as very critical has been identified in Microsoft Windows. This affects an unknown part of the component Instrumentation. Executing a manipulation can lead to deserialization.

This vulnerability is registered as CVE-2026-88091. The attack needs to be launched locally. No exploit is available.

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