CVE-2025-43402: Apple macOS

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.1. An app may be able to cause unexpected system termination or corrupt process memory.

Affected products

• Apple macOS: before 26.1 (fixed in 26.1)

Published 2025-12-12. Last modified 2026-10-07.