July 27, 2021
A software update was released fixing a local privilege escalation vulnerability affecting MacOS, iPadOS, and iOS. A proof of concept exploit has been publicly released and Apple reports this vulnerability is currently being exploited.
A vulnerability in the IOMobileFrameBuffer component can be used to run arbitrary code with kernel privileges.
MacOS Big Sur 11.5
Upgrade to the latest version of your operating system immediately. (MacOS Big Sur 11.5.1, iPadOS 14.7.1, or iOS 14.7.1)