Improper Removal of Sensitive Information Before Storage or Transfer in Windows and Windows Server - CVE-2026-20928
Published: April 15, 2026
Vulnerability identifier: #VU126164
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-20928
CWE-ID: CWE-212
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
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.
How to mitigate CVE-2026-20928
Install updates from vendor's website.