CVE-2026-20684: Apple macOS

Low severity, CVSS 3.3. EPSS: 0.1% chance of exploitation in the next 30 days.

A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Tahoe 26.4. An app may bypass Gatekeeper checks.

Affected products

• Apple macOS: from 26.0, before 26.4 (fixed in 26.4)

Published 2026-03-25. Last modified 2026-06-17.