CVE-2025-21333 | Microsoft Windows up to Server 2025 Hyper-V NT Kernel Integration VSP heap-based overflow

A vulnerability was found in Microsoft Windows up to Server 2025 and classified as critical. Affected by this issue is some unknown functionality of the component Hyper-V NT Kernel Integration VSP. The manipulation leads to heap-based buffer overflow. This vulnerability is handled as CVE-2025-21333. An attack has to be approached locally. There is no exploit available. It is recommended to apply a patch to fix this issue.