macOS Tahoe 26.3 — APPLE-SA-126348

Summary

macOS Tahoe 26.3 macOS Tahoe 11 Feb 2026 macOS Sequoia 15.7.4 macOS Sequoia 11 Feb 2026 macOS Sonoma 14.8.4 macOS Sonoma 11 Feb 2026 tvOS 26.3 Apple TV HD and Apple TV 4K (all models) 11 Feb 2026 <td class="gb-table-cell tablecell-

Product

macOS Tahoe 26.3

What to do

General, cautious steps (verify details in the official source):

• Review exposure and plan remediation based on risk and environment.
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source

Related advisories