Apple has released iOS 18.3.2 and it comes with a warning to update your iPhone now. Thats because ... [+] iOS 18.3.2 fixes a single but serious security issue already being used in real-life attacks.Apple iPhoneApple has released iOS 18.3.2 and it comes with a warning to update your iPhone now. Thats because iOS 18.3.2 fixes a single but serious security issue already being used in real-life attacks.Apple doesnt provide much detail about whats fixed in iOS 18.3.2, so iPhone users have time to update their devices before more attackers can get hold of the details. However, its clear the iPhone maker sees the single patch in iOS 18.3.2 as urgent, because it comes on its own and only a month after it released iOS 18.3.1.Tracked as CVE-2025-24201, the flaw WebKit, the engine that underpins the Safari browser, could allow maliciously crafted web content to break out of Web Content sandbox.The iOS 18.3.2 update is a supplementary fix for an attack that was blocked in iOS 17.2, Apple said on its support page. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 17.2, the iPhone maker added.iOS 18.3.2 Fixes Serious Security IssueOn Feb. 10, Apple issued iOS 18.3.1, fixing a security issue that could allow devices to connect to your iPhone and steal data. The bug fixed in iOS 18.3.2 is in some ways more serious, because the vulnerability can be exploited by a remote attacker operating from anywhere in the world.While this might sound scary, thankfully the vulnerability patched in iOS 18.3.2 has only been used in targeted attacks against specific people. This indicates a nation state-level adversary could have used the flaw for spying on individuals, so if you dont fit the bracket of journalist, dissident or businesses operating in certain sectors, you dont need to worry too much.Apples iOS 18.3.2 also fixes a bug that could prevent playback of some streaming content.But be warned, some users are saying the update auto-enabled Apple Intelligence again by default, according to a post on Reddit. You might want to turn it off and if so, you can read how to in my guide.Why You Should Update Now To iOS 18.3.2Its true the issue fixed in iOS 18.3.2 was used in targeted attacks, however, its only a matter of time before the flaw is taken advantage of by other adversaries. That makes it important that all iPhone users update to iOS 18.3.2 as soon as possibleApples iOS 18.3.2 and iPadOS 18.3.2 are available for the iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later.So what are you waiting for? Go to Settings > General > Software Update and update to iOS 18.3.2 now.