About the security content of macOS Tahoe 26.6
Apple has released security updates for macOS Tahoe 26.6 to address several vulnerabilities, including issues with sandbox restrictions, path validation, and memory handling. These patches aim to prevent unauthorized access to sensitive data, privilege escalation, and system crashes.
Why it matters
Regular security updates are critical for protecting user data and system integrity against evolving cyber threats.
Apple Store Mac iPad iPhone Watch Vision AirPods TV & Home Entertainment Accessories Support 0 + About the security content of macOS Tahoe 26.6 This document describes the security content of macOS Tahoe 26.6.
For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security releases page.
Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
Impact: An app may be able to access sensitive user data
Description: An access issue was addressed with additional sandbox restrictions.
Impact: An app may be able to gain root privileges
Description: A parsing issue in the handling of directory paths was addressed with improved path validation.
CVE-2026-43749: Adam Franke, Ashish Kunwar, Trung Nguyen (@everping) of CyStack
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