Incorrect access control in zam64.sys zam32.sys in MalwareFox AntiMalware 2.74.0.150 allows a non-privileged process to open a handle to \\.\\ZemanaAntiMalware register itself with the driver by sending IOCTL 0x80002010 allocate executable memory using a flaw in IOCTL 0x80002040 install a hook with IOCTL 0x80002044 and execute the executable memory using this hook with IOCTL 0x80002014 or 0x80002018 this exposes ring 0 code execution in the context of the driver allowing the non-privileged process to elevate privileges.