Acceptance of Extraneous Untrusted Data With Trusted Data in Microsoft Windows and Windows Server - CVE-2025-48804

Vulnerability identifier: #VU112634

CSH Severity: Low

CVSS v4: 7 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-48804

CWE-ID: CWE-349

Exploitation vector: Local access

Exploit availability: Public exploit is available

The vulnerability allows a local attacker to compromise the target system.

The vulnerability exists due to acceptance of extraneous untrusted data with trusted data in BitLocker. An attacker with physical access can bypass the BitLocker Device Encryption feature on the system storage device.

Microsoft Windows
Windows Server

Install updates from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.6093, 10 22H2 10.0.19045.6093, 10 1507 10.0.10240.21073, 10 1607 10.0.14393.8246, 10 1809 10.0.17763.7558, 11 22H2 10.0.22621.5624, 11 23H2 10.0.22631.5624, 11 24H2 10.0.26100.4652
Windows Server - addressed in versions 2012 R2 6.3.9600.22676, 2012 6.2.9200.25573, 2016 10.0.14393.8246, 2019 10.0.17763.7558, 2022 23H2 10.0.22621.5472, 2022 23H2 10.0.25398.1732, 2022 10.0.20348.3932, 2025 10.0.26100.4652

• Exploit #12745 - BitUnlocker (May 22, 2026)

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48804

• Multiple vulnerabilities in Microsoft BitLocker