CVE-2026-20618: Apple macOS

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

An issue was addressed with improved handling of temporary files. This issue is fixed in macOS Tahoe 26.3. An app may be able to access user-sensitive data.

Affected products

• Apple macOS: before 26.3 (fixed in 26.3)

Published 2026-02-11. Last modified 2026-06-17.