Microsoft Windows BitLocker Security Feature Bypass Vulnerability

Vulnerability

A vulnerability in Windows BitLocker has been identified, allowing an unauthorized attacker to bypass the Device Encryption feature on the system storage device. This issue arises from improper enforcement of behavioral workflow, which could be exploited through a physical attack. As a result, an attacker with physical access to the device could gain access to encrypted data.

Impact

Exploitation of this vulnerability allows for unauthorized bypass of BitLocker's Device Encryption, potentially exposing encrypted data on the system storage device.

Remediation

Users can download the security update for this vulnerability via the Microsoft Update Catalog. For specific update details, refer to Microsoft Knowledge Base article KB5066835.

Added: Oct 14, 2025, 7:50 PM
Updated: Oct 14, 2025, 7:50 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
2.5
exploitability
3.3
remediation
7.7
relevance
0.7
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.