This issue was addressed by removing the vulnerable code. This issue is fixed in macOS Sequoia 15.5. An app may be able to observe the hostnames of new network connections.
Conclusion & alert: CVE-2025-31218 is rated Low Risk (35/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.11%).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-2025-31218
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).