Improper access control in BioNTdrv.sys and Partition Manager - CVE-2025-0289
Published: February 28, 2025 / Updated: March 3, 2025
Vulnerability identifier: #VU105166
CSH Severity: High
CVSS v4.0: 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
Vendor: Paragon Technologie GmbH
Affected software:
BioNTdrv.sys
Partition Manager
BioNTdrv.sys
Partition Manager
Detailed vulnerability 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.
How to mitigate CVE-2025-0289
Install updates from vendor's website.