Apple released a security update for the fixes of Zero-day vulnerability that was exploited in wide targeting iPhones and Mac users.
Both of the Vulnerabilities reported by an anonymous researcher and the successful exploitation of these vulnerabilities could lead attackers to execute arbitrary code and take control of the system.
iOS 14.7.1 and iPadOS 14.7.1 – CVE-2021-30807
A Critical memory corruption vulnerability that allows attackers to execute arbitrary code with kernel privileges.
CVE-2021-30807 is considered as an actively exploited vulnerability and affected the several versions as follows:
iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
macOS Big Sur – CVE-2021-30807
The same critical memory corruption vulnerability in the IOMobileFrameBuffer extension allows attackers that to execute arbitrary code with kernel privileges and Apple is aware of a report that this issue may have been actively exploited.
Apple released a new version of macOS Big Sur 11.5.1 and please note that software update is installed for iOS, iPadOS, tvOS, and watchOS, it cannot be downgraded to the previous version.