CVE-2025-43261 is a critical logic flaw in macOS that could allow an application to escape its sandbox. The issue was addressed by improved checks in macOS Sequoia 15.6, macOS Sonoma 14.7.7, and macOS Ventura 13.7.7. This vulnerability has a high CVSS score of 9.8, indicating severe impact on confidentiality, integrity, and availability.