New iOS 26.3 update blocks hackers from accessing iPhones — here’s why you should download it

Apple has released an urgent iOS 26.3 update to protect iPhone users from 39 security vulnerabilities, including a serious zero-day flaw in the Dynamic Link Editor (dyld). This weakness could allow attackers to bypass security measures and run malicious code, potentially installing spyware or gaining full control of devices. Experts emphasize that these attacks are stealthy and can target individuals from journalists to business users.