CVE-2026-28830: Apple macOS

Medium severity, CVSS 4.7. EPSS: 0.1% chance of exploitation in the next 30 days.

A race condition was addressed with additional validation. This issue is fixed in macOS Tahoe 26.4. An app may be able to access sensitive user data.

Affected products

• Apple macOS: before 26.4 (fixed in 26.4)

Published 2026-05-11. Last modified 2026-06-17.