The issue was addressed with improved input validation. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4, visionOS 2.4, watchOS 11.4. A malicious website may be able to claim WebAuthn credentials from another website that shares a registrable suffix.
Conclusion & alert: CVE-2025-24180 is rated Moderate Risk (52.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.96%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-07-02 | 0.91% | 0.96% | +0.05% |
| 2 | 2026-06-15 | 0.15% | 0.91% | +0.76% |
| 3 | 2026-05-09 | — | 0.15% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.1 | 3.1 | HIGH |
|
2.8 | 5.2 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apple | safari | < 18.4 | cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* |
| apple | ipados | < 18.4 | cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* |
| apple | iphone_os | < 18.4 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | macos | >= 15.0, < 15.4 | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
| apple | visionos | < 2.3 | cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* |