Microsoft Windows TDX.sys Buffer Over-Read Vulnerability Allowing Privilege Escalation

Vulnerability

A buffer over-read vulnerability has been identified in the Windows TDX.sys driver. This issue allows an authorized attacker to locally elevate privileges. The vulnerability arises from improper handling of memory buffers, which could be exploited to read beyond the intended limits, potentially leading to unauthorized access or modification of system resources.

Impact

Exploitation of this vulnerability could allow an authorized user to gain elevated privileges on the affected system, potentially leading to unauthorized access or control over system resources.

Added: Jul 8, 2025, 9:01 PM
Updated: Jul 8, 2025, 9:01 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
2.5
exploitability
3.3
remediation
0.0
relevance
0.2
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.