Apple on Wednesday released macOS Sequoia 15.4.1, a point-release update to the Mac operating system. The update comes after Apple released Sequoia 15.4 on March 31. This update contains security fixes.
Below are the release notes for Sequoia 15.4.1:
macOS Sequoia 15.4.1
Released April 16, 2024
CoreAudio
Available for: macOS Sequoia
Impact: Processing an audio stream in a maliciously crafted media file may result in code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on iOS.
Description: A memory corruption issue was addressed with improved bounds checking.
CVE-2025-31200: Apple and Google Threat Analysis Group
RPAC
Available for: macOS Sequoia
Impact: An attacker with arbitrary read and write capability may be able to bypass Pointer Authentication. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on iOS.
Description: This issue was addressed by removing the vulnerable code.
CVE-2025-31201: Apple
How to install the macOS Sequoia 15.4.1 update
Before installing the update, we recommend backing up your Mac’s data. The installation requires an internet connection and takes several minutes. The Mac will need to start to complete the installation.
When you’re ready to install, go to System Settings > General > Software Update. The Mac will look for the update on the internet, and when it’s ready, you can click the Update Now button. You can click the Update Tonight button if you want the installation to perform later.
Learn more about macOS Sequoia and find out about the Sequoia beta program.
Author: Roman Loyola, Senior Editor, Macworld
Roman is a Macworld Senior Editor with over 30 years of experience covering the tech industry, focusing on the Mac and other products in the Apple ecosystem. He is also the host of the Macworld Podcast. His career started at MacUser, where he received Apple certification as a repair technician (when Apple did that kind of thing). He's also worked for MacAddict, MacLife, and TechTV.