#VU105166 Improper access control in BioNTdrv.sys and Partition Manager - CVE-2025-0289 

 

#VU105166 Improper access control in BioNTdrv.sys and Partition Manager - CVE-2025-0289

Published: February 28, 2025 / Updated: March 3, 2025


Vulnerability identifier: #VU105166
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2025-0289
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
BioNTdrv.sys
Partition Manager
Software vendor:
Paragon Technologie GmbH

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper access restrictions when validating the MappedSystemVa pointer before passing it to HalReturnToFirmware. A local user can execute arbitrary code with elevated privileges. 

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install updates from vendor's website.

External links