A use of hard-coded cryptographic key (CWE-321) vulnerability in FortiClient Windows may allow a low-privileged user to decrypt interprocess communication via monitoring named pipe.
The (1) mdare6448.sys, (2) mdare3248.sys, (3) mdare3252.sys, and (4) mdare6452.sys drivers in Fortinet FortiClient before 5.2.4 allow local users to read arbitrary kernel memory via a 0x22608C ioctl call.