CVE-2025-43331: Apple macOS

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

A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in macOS Tahoe 26. An app may be able to access protected user data.

Affected products

• Apple macOS: before 26.0 (fixed in 26.0)

Published 2025-09-15. Last modified 2026-06-17.