Apple has released iOS 16.4.1, iPadOS 16.4.1, and macOS 13.3.1 operating system updates for iPhone, iPad, and Mac, respectively. It is recommended that you install them as soon as possible, as they contain important security fixes.

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These updates include fixes for two separate vulnerabilities. At the same time, Apple became aware that the vulnerabilities were already actively used by attackers in real conditions.

Yes, the IOSurfaceAccelerator vulnerability could allow an app to execute arbitrary code with kernel privileges. Apple fixed the problem by improving input validation. At the same time, a WebKit vulnerability could allow malicious Web content to execute code. Apple fixed this problem by improving memory management.

The vulnerability data was discovered by the Google Threat Analysis Group and the Amnesty International Security Lab, and they informed Apple about the problems.

Apple also released a Safari 16.4.1 update for MacOS Monterey and MacOS Big Sur that likely addresses the WebKit vulnerability.

Source: macrumors