The issue was resolved by not loading remote images. This issue is fixed in iOS 18.6 and iPadOS 18.6. Forwarding an email could display remote images in Mail in Lockdown Mode.
Conclusion & alert: CVE-2025-43280 is rated Low Risk (21.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.03%).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-2025-43280
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).