CVE-2025-21333: Microsoft Windows Hyper-V NT Kernel Integration VSP Heap-based Buffer Overflow Vulnerability
Microsoft Windows Hyper-V NT Kernel Integration VSP contains a heap-based buffer overflow vulnerability that allows a local attacker to gain SYSTEM privileges. Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA KEV ↗ · unattributed attribution