iPhone users, iOS 18.3 is a must-download as it fixes critical security issues: Details

iOS 18.3 includes multiple security patches for vulnerabilities, along with various bug fixes. Here's everything you need to know.

Updated on: Jan 31, 2025, 17:21:06 IST

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Apple earlier this week released the iOS 18.3 update, which refinements to Apple Intelligence AI and builds upon the already existing set of features. However, aside from the feature updates, the version also includes important bug fixes and security updates for the iPhone, making it paramount for you to download iOS 18.3 if you own a compatible iPhone.

iOS 18.3 brings several vulnerability fixes. (AFP)

Shaurya Sharma

In fact, the severity of the vulnerabilities is so high that it even prompted an advisory from the Indian Computer Emergency Response Team (CERT-In). Let us explain what the vulnerabilities entail and how you can quickly download iOS 18.3 on your iPhone.

Also Read: How to manually update your AirPods to get the latest Apple features in 5 easy steps

Multiple vulnerabilities found in versions prior to iOS 18.3

Apple has addressed multiple vulnerabilities with the iOS 18.3 update, one of which resolves an issue where, with physical access to your unlocked device, code could be used to gain access to the Photos app while the app was locked.

Another issue involves AirPlay on a local network, allowing an attacker to cause an unexpected system crash and corrupt process memory.

Additional bugs and security vulnerabilities have also been fixed, including those that allowed attackers to execute arbitrary code remotely and cause denial-of-service attacks.

There are multiple other high-severity vulnerabilities in versions prior to iOS 18.3. Therefore, it is crucial to update to iOS 18.3 as soon as possible. Even if you're not interested in the new features the OS brings, you should certainly prioritise your safety.

To download the iOS 18.3 update, follow these steps:

Open the Settings on your iPhone.
Head to General.
In General, you will see the Software Update option. Tap on it.
Your iPhone will check for updates, and as soon as iOS 18.3 is available, you will be presented with two options: either to update now or to update tonight. Choose the option that best suits you.

ABOUT THE AUTHOR
Shaurya Sharma
Shaurya Sharma is the Technology Editor at Hindustan Times Digital Streams, where he oversees technology coverage across digital and social platforms. With over eight years of experience across editorial, video production, and digital media, his work focuses on smartphones, AI, consumer gadgets, and shaping audience-first content strategies for modern tech consumers. He began his career in 2018 as a fashion cinematographer before turning his lifelong passion for technology into a profession. From spending his childhood immersed in tech magazines, video games, and the latest gadgets to covering the global consumer tech industry today, technology has remained a constant throughout his journey. Over the years, Shaurya has worked with some of India’s leading media organisations, including CNN-News18, Sportskeeda, and Guiding Tech, where he led video initiatives that combined strong editorial storytelling with engaging visual and social-first execution. A graduate in Journalism and Mass Communication from Manipal University, Shaurya has reviewed hundreds of products across categories including smartphones, laptops, gaming consoles, cameras, and wearables. Beyond work, he is passionate about animal welfare, environmental causes, and automobiles, particularly turbo-petrol carsRead More

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