This issue was addressed with improved handling of symlinks. This issue is fixed in macOS Sequoia 15.6. An app may be able to break out of its sandbox.
Conclusion & alert: CVE-2025-43257 is rated Low Risk (35.2/100): CVSS High severity, with low exploitation likelihood (EPSS 0.01%).Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
Exploit prediction scoring system (EPSS) score for CVE-2025-43257
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).