One of the bugs, which affects macOS as well as older versions of iPhones, could allow an attacker to execute arbitrary code with kernel privileges.
https://threatpost.com/apple-patches-zero-days-attack/174988/
100M IoT Devices Exposed By Zero-Day Bug
-
A high-severity vulnerability could cause system crashes, knocking out sensors, medical equipment and more.
https://threatpost.com/100m-iot-devices-zero-day-bug/174963/