Poc exploit for CVE-2025-21333 heap-based buffer overflow. It leverages WNF state data and I/O ring IOP_MC_BUFFER_ENTRY
CVE-2025-21333-POC Proof of Concept that exploits CVE-2025-21333 in vkrnlintvspsys (not so reliable see Requirements and Limitations section) Under the References section are located very helpful resources for who wants to play with the exploit The vulnerability was detected as actively exploited by threat actors Tested on Windows 11 23h2 It may work also on Windows 11 24h