Long list of zero-days patched this year
https://www.bleepingcomputer.com/news/apple/apple-fixes-zero-day-affecting-iphones-and-macs-exploited-in-the-wild/
Apple has released security updates to address a zero-day vulnerability exploited in the wild and impacting iPhones, iPads, and Macs.
The vulnerability, tracked as CVE-2021-30807, is a memory corruption issue in the IOMobileFramebuffer kernel extension reported by an anonymous researcher.