IOBit Advanced System Care (Asc.exe) 15 and Action Download Center both download components of IOBit suite into ProgramData folder, ProgramData folder has "rwx" permissions for unprivileged users. Low privilege users can use SetOpLock to wait for CreateProcess and switch the genuine component with a malicious executable thus gaining code execution as a high privilege user (Low Privilege -> high integrity ADMIN).

A Use after Free vulnerability exists in IOBit Advanced SystemCare 15 pro via requests sent in sequential order using the IOCTL driver codes, which could let a malicious user execute arbitrary code or a Denial of Service (system crash). IOCTL list: iobit_ioctl = [0x8001e01c, 0x8001e020, 0x8001e024, 0x8001e040,0x8001e044, 0x8001e048, 0x8001e04c, 0x8001e000, 0x8001e004, 0x8001e008, 0x8001e00c, 0x8001e010, 0x8001e014, 0x8001e018]