A security researcher that goes online with the Twitter account Siguza (@s1guza) has publicly disclosed the details of a macOS zero-day flaw that can be exploited to take complete control of a system. The flaw is a local privilege escalation (LPE) vulnerability that affects IOHIDFamily, a kernel extension designed for human interface devices (HID) The expert speculates the flaw has been around since at least 2002. The flaws discovered by the expert affect all versions of macOS and they can lead to an arbitrary read/write vulnerability in the kernel.”]
Source: http://securityaffairs.co/wordpress/67331/hacking/macos-zero-day.html