Apple macOS Sequoia (15) Update Version macOS Sequoia 15.8

macOS Sequoia 15.8 includes broad security fixes across system components, addressing sandbox escapes, privilege escalation, data exposure, and code execution risks. It also resolves multiple kernel, file system, networking, and media processing vulnerabilities.

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Product Information

Vendor: Apple

Product: macOS

Product type: Software

Platform: macOS

Variant: Sequoia (15)

Version: macOS Sequoia 15.8

Vendor information published: Sep 14, 2026

Original release notes: View on vendor site

Published on updatealert.io: Sep 17, 2026

Description: Desktop operating system for Apple Mac devices.