ID:11185 - Exploit for Heap-based buffer overflow in Windows and Windows Server - CVE-2025-21333

 
Main Vulnerability Database Exploits ID:11185 - Exploit for Heap-based buffer overflow in Windows and Windows Server - CVE-2025-21333

ID:11185 - Exploit for Heap-based buffer overflow in Windows and Windows Server - CVE-2025-21333

Published: February 28, 2025


Vulnerability identifier: #VU102617
Vulnerability risk: High
CVE-ID: CVE-2025-21333
CWE-ID: CWE-122
Exploitation vector: Local access
Vulnerable software:
Windows
Windows Server

Link to public exploit:


Vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in Windows Hyper-V NT Kernel Integration VSP component. A local user can trigger a heap-based buffer overflow and execute arbitrary code with SYSTEM privileges.

Note, the vulnerability is being actively exploited in the wild.

Remediation

Install updates from vendor's website.