Apple has officially released iOS 26.3, urging iPhone users to promptly update their devices for crucial bug fixes and security enhancements. This latest software version addresses a total of 39 vulnerabilities, with one being classified as a zero-day threat, indicating potential active exploitation by cybercriminals.
According to Apple’s support page, the company acknowledged reports of sophisticated attacks on earlier iOS versions, emphasizing the importance of upgrading to iOS 26.3. In addition to the zero-day issue, various other security flaws in apps and services have been resolved through this update.
To ensure your iPhone is running the latest software, navigate to Settings, then General, and select Software Update. iOS 26.3 should be available for download. It is recommended to install the update via a Wi-Fi connection and be prepared for your device to restart during the process to avoid missing any important calls or messages.