IOCTL Handling in the kyrld.sys driver in Kyrol Internet Security 9.0.6.9 allows an attacker to achieve privilege escalation, denial-of-service, and code execution via usermode because 0x9C402401 using METHOD_NEITHER results in a read primitive.
https://nafiez.github.io/security/vulnerability/2019/11/16/kyrol-internet-security-driver-issue.html