Apple has rolled out an urgent fix for a zero-day bug in Mac, iPhone, and iPad devices that might be actively exploited. The vulnerability addressed is tracked as CVE-2021-30807 and is a memory corruption vulnerability in the IOMobileFrameBuffer component. If exploited, this vulnerability can be used to execute arbitrary codes with kernel privileges.
To install this update on your Mac machines, initiate a sync between the Central Patch Repository and the Desktop Central server. Once the sync is complete, search for the following Patch ID or Bulletin ID and deploy them to your target systems.
MacOS Big Sur 11.5.1 - Software Update