MSI Afterburner v4.6.5.16370 is vulnerable to a Denial of Service vulnerability by triggering the 0x80002000 IOCTL code of the RTCore64.sys driver. The handle to the driver can only be obtained from a high integrity process.
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.