iPhone 5s, iPhone 6, iPhone 6 Plus, iPad Air, iPad mini 2, iPad mini 3, and iPod touch (6th generation) running iOS 12.5.5.The complete list of impacted devices includes: 'Apple is aware of a report that this issue may have been actively exploited,' Apple said when describing the zero-day bug. Successful exploitation of this bug leads to arbitrary code execution with kernel privileges on compromised devices. The zero-day patched today (tracked as CVE-2021-30869) was found in the XNU operating system kernel and was reported by Erye Hernandez and Clément Lecigne of Google Threat Analysis Group, and Ian Beer of Google Project Zero. Apple has released security updates to fix a zero-day vulnerability exploited in the wild by attackers to hack into iPhones and Macs running older iOS and macOS versions.