From Cyber Security News – Windows Hyper-V NT Kernel Vulnerability Let Attackers Gain SYSTEM Privileges – PoC Released
Threat actors have actively exploited CVE-2025-21333, a critical vulnerability in Microsoft’s Windows Hyper-V NT Kernel Integration Virtual Service Provider (VSP). This heap-based buffer overflow vulnerability allows local attackers to escalate their privileges to the SYSTEM level, posing a significant security…