SB2026041589 - Information disclosure in Microsoft Windows Recovery Environment
Published: April 15, 2026
Security Bulletin ID
SB2026041589
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Physical access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Removal of Sensitive Information Before Storage or Transfer (CVE-ID: CVE-2026-20928)
The vulnerability allows a local attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper removal of sensitive information before storage or transfer in Windows Recovery Environment. An attacker with physical access can bypass the BitLocker Device Encryption feature on the system storage device, leading to information disclosure.
Remediation
Install update from vendor's website.