Apple has released an emergency update to patch a serious vulnerability (https://support.apple.com/en-us/HT212258) found in iOS, iPadOS and watchOS.
The updates are iOS 14.4.2, iPadOS 14.4.2 and watchOS 7.3.3, respectively.
The vulnerability, discovered by Google’s Threat Analysis Group, affects Apple’s WebKit browser engine, and what makes this an urgent update is the fact that Apple claims that the vulnerability is being actively exploited.
Apple details are limited, but such vulnerabilities can be used to perform malicious actions such as redirecting users to phishing sites.
Emphasizing the severity of this vulnerability is the fact that Apple has pushed iOS 1
The bottom line is that this update is important. Install it now. On iPhone and iPad, fire up Settings and go over to General > Software update. For Apple Watch, go into the Apple Watch app.