CVE-2026-77505 | Microsoft Windows up to Server 2025 DNS Server use after free

September 9, 2026 Yanac

A vulnerability classified as very critical has been found in Microsoft Windows up to Server 2025. This issue affects some unknown processing of the component DNS Server. This manipulation causes use after free.

This vulnerability is tracked as CVE-2026-77505. The attack is possible to be carried out remotely. No exploit exists.

To fix this issue, it is recommended to deploy a patch.VulDB Recent EntriesRead More