Executive brief
The VHD Miniport Driver is a Windows component responsible for managing virtual hard disk access. A heap-based buffer overflow in this driver could allow an authorized attacker to elevate privileges and potentially compromise system integrity or gain administrative access.
Technical details
A heap-based buffer overflow vulnerability exists in the Virtual Hard Disk (VHD) Miniport Driver. The vulnerability allows an authorized attacker to overflow a heap buffer and achieve privilege escalation. The attack is exploitable over a network and requires existing authorization on the system. Successful exploitation could allow an attacker to execute arbitrary code with elevated privileges.
Affected products
- Microsoft Windows VHD Miniport Driver <UNKNOWN>
Timeline
- 2026-09-08: disclosed