CVE-2023-27934: Apple macOS

High severity, CVSS 8.8. EPSS: 1.8% chance of exploitation in the next 30 days.

A memory initialization issue was addressed. This issue is fixed in macOS Ventura 13.3, macOS Monterey 12.6.4. A remote attacker may be able to cause unexpected app termination or arbitrary code execution.

Affected products

  • Apple macOS: before 13.3 (fixed in 13.3)

Published 2023-05-08. Last modified 2026-06-17.