Hackers Exploit Paragon Partition Manager Driver Vulnerability in Ransomware Attacks
Mar 03, 2025
Ransomware / Vulnerability
Threat actors have been exploiting a security vulnerability in Paragon Partition Manager's BioNTdrv.sys driver in ransomware attacks to escalate privileges and execute arbitrary code. The zero-day flaw (CVE-2025-0289) is part of a set of five vulnerabilities that was discovered by Microsoft, according to the CERT Coordination Center (CERT/CC). "These include arbitrary kernel memory mapping and write vulnerabilities, a null pointer dereference, insecure kernel resource access, and an arbitrary memory move vulnerability," CERT/CC said . In a hypothetical attack scenario, an adversary with local access to a Windows machine can exploit these shortcomings to escalate privileges or cause a denial-of-service (DoS) condition by taking advantage of the fact that "BioNTdrv.sys" is signed by Microsoft. This could also pave the way for what's called a Bring Your Own Vulnerable Driver ( BYOVD ) attack on systems where the driver is not installed, thereby allowing t...
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