CVE-2026-84577: Apple macOS

High severity, CVSS 8.2. EPSS: 0.2% chance of exploitation in the next 30 days.

An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Golden Gate 27, macOS Tahoe 26.7. An app may be able to bypass sandbox restrictions.

Affected products

• Apple macOS: before 26.7 (fixed in 26.7)

Published 2026-09-14. Last modified 2026-09-16.