CVE-2023-32401: Apple macOS

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

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.6.6, macOS Big Sur 11.7.7, macOS Ventura 13.4. Parsing an office document may lead to an unexpected app termination or arbitrary code execution.

Affected products

• Apple macOS: before 11.7.7 (fixed in 11.7.7); from 12.0.0, before 12.6.6 (fixed in 12.6.6); from 13.0, before 13.4 (fixed in 13.4)

Published 2024-01-10. Last modified 2026-06-17.