CVE-2026-86910: Apple macOS

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A permissions issue was addressed with improved path validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An application may be able to access restricted files.

Affected products

• Apple macOS: from 15.0, before 15.8 (fixed in 15.8); from 26.0, before 26.7 (fixed in 26.7)

Published 2026-09-14. Last modified 2026-09-18.