April 15, 2025

Client Alert: macOS Sequoia 15.4 Fixes Critical Vulnerabilities

by: Align

We would like to inform you of critical security update released by Apple for macOS Sequoia 15.4. This update addresses several severe vulnerabilities that could significantly compromise the security of your macOS devices.

Read our blog below to understand details of the vulnerabilities, recommended actions and understand how Align can assist you and your firm.

Details of the Vulnerabilities:

The macOS Sequoia 15.4 update patches numerous vulnerabilities that could allow malicious applications to: 

    • Gain room privileges
    • Access or modify protected user data
    • Execute arbitrary code

These vulnerabilities stem from flaws related to app permissions, input validation, memory handling, and sandbox escapes. Patches have been applied across various components, including AppleMobileFileIntegrity, Audio, Authentication Services, and others, to enhance system security and user privacy. 

You can find the complete list of patched vulnerabilities on Apple's support page: Apple Support - macOS Sequoia 15.4 Security Content

Recommended Actions: 

Apple has released security updates to address these critical issues. We strongly recommend taking the following action:

    • Update Your macOS Device Immediately: Ensure all macOS devices within your organization are updated to the latest versions that include the security patch. This is crucial to mitigate the risk of exploitation.

How We Can Assist You: 

  • Our team is available to help you assess and secure your systems. If you require assistance with patching or evaluating your security posture, please contact us at help@align.com.

Additional Support & Information: 

  • Familiarize your team with our Service Desk's contact information, and reach out if you have any questions or encounter any issues with the upgrade: 

Thank you,

The Align Team

Account Management Team email: AccountMGMT@align.com
Align Managed Services Team email: help@align.com 
Cyber Team email - cyber@align.com
Alex Bazay, CISO - abazay@align.com
Dan Lyons, Sales and Business Development - dlyons@align.com
Phone: 1 855-IT-ALIGN (1-855-482-5446)

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