Exploit for #VU102617 Heap-based buffer overflow in Windows and Windows Server

Vulnerability identifier: #VU102617

Vulnerability risk: High

CVSSv4.0: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2025-21333

CWE-ID: CWE-122

Exploitation vector: Local

Exploits in database: 4

• March 18, 2025
  • 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) [Github]
  • CVE-2025-21333-POC [Github]
• March 14, 2025
  • 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) [Github]
• February 28, 2025
  • 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) [Github]

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft