CVE-2026-28826: Apple macOS

Medium severity, CVSS 4.0. EPSS: 0.2% chance of exploitation in the next 30 days.

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. A malicious app may be able to break out of its sandbox.

Affected products

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

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