Apple’s Critical iPhone Update Warning: Users Should Upgrade Now

Apple released iOS 26.5 and a targeted iOS 18.7.9 security patch for older iPhones.

Earlier iOS 18 security fixes were also extended to some newer devices after serious vulnerability discoveries, including the DarkSword exploit.

Apple is now steering compatible users to iOS 26, which offers broader device support and new features ahead of the iOS 27 cycle.

The message is clear: iPhone users on iOS 18 should upgrade soon to stay protected and compatible.