CVE-2025-21333CISA KEV: Actively Exploited

Microsoft Windows Hyper-V NT Kernel Integration VSP Heap-based Buffer Overflow Vulnerability

Published Jan 14, 2025·Updated Jan 14, 2025

Description

Microsoft Windows Hyper-V NT Kernel Integration VSP contains a heap-based buffer overflow vulnerability that allows a local attacker to gain SYSTEM privileges.

Public Exploits & PoCs10 found

PoC: CVE-2025-21333-POC

Poc exploit for CVE-2025-21333 heap-based buffer overflow. It leverages WNF state data and I/O ring IOP_MC_BUFFER_ENTRY

10

PoC: CVE-2025-21333

LPE due to integer truncation in vskrnlintvsp.sys

2

PoC: Reproducing-CVE-2025-21333-

Lab project analyzing Hyper-V kernel crash behavior (CVE-2025-21333) using WinDbg and Windows internals

PoC: Reproducing-CVE-2025-21333-

Lab project analyzing Hyper-V kernel crash behavior (CVE-2025-21333) using WinDbg and Windows internals.

PoC: CVE-2025-21333-POC

🛠️ Exploit CVE-2025-21333 in vkrnlintvsp.sys with this proof of concept, aimed at demonstrating potential threats on Windows 11 systems.

PoC: Blackash-CVE-2025-21333

CVE-2025-21333

PoC: CVE-2025-21333-POC

POC exploit for CVE-2025-21333 heap-based buffer overflow. It leverages WNF state data and I/O ring IOP_MC_BUFFER_ENTRY

PoC: CVE-2025-21333-POC

POC exploit for CVE-2025-21333 heap-based buffer overflow. It leverages WNF state data and I/O ring IOP_MC_BUFFER_ENTRY

PoC: KQL_sentinel_CVE-2025-21333

KQL para deteccion de CVE-2025-21333 en Sentinel

PoC: CVE-2025-21333-POC

POC exploit for CVE-2025-21333 heap-based buffer overflow. It leverages WNF state data and I/O ring IOP_MC_BUFFER_ENTRY

References

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