An incorrect permission assignment denial-of-service vulnerability in Trend Micro Apex One, Apex One as a Service (SaaS), Worry-Free Business Security 10.0 SP1 and Worry-Free Servgices could allow a local attacker to escalate privileges and delete files with system privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.