CVE-2018-6593
An issue was discovered in MalwareFox AntiMalware 2.74.0.150. Improper access control in zam32.sys and zam64.sys allows a non-privileged process to register itself with the driver by connecting to the filter communication port and then using IOCTL 0x8000204C to .ZemanaAntiMalware to elevate privileges.
Source: CVE-2018-6593