Two critical zero-day vulnerabilities has been identified that require the immediate attention of anyone using a Macintosh computer, iPhone, or iPad.
Apple released separate security updates for two vulnerabilities that affect the macOS and iOS and iPadOS operating systems. The zero-day vulnerability that affects both macOS and iOS is tracked as CVE-2022-22675 and one that affects Macs (a macOS zero-day flaw) is tracked as CVE-2022-22674. Successful exploitation of the CVE-2022-22675 vulnerability could allow an application to execute arbitrary code with kernel privileges. Successful exploitation of the CVE-2022-22674 vulnerability could allow an application to read kernel memory. Both of these may have already been exploited.
If you are running macOS Monterey, update to version 12.3.1 or higher.
If you have an 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), update to version iOS 15.4.1 and iPadOS 15.4.1 or higher.
Apple Security Updates Information - https://support.apple.com/en-us/HT201222
About the security content of iOS 15.4.1 and iPadOS 15.4.1 - https://support.apple.com/en-us/HT213219
About the security content of macOS Monterey 12.3.1 - https://support.apple.com/en-us/HT213220