The issue was addressed by adding additional logic. This issue is fixed in Safari 26, macOS Tahoe 26. Visiting a malicious website may lead to address bar spoofing.
Conclusion & alert: CVE-2025-43327 is rated Low Risk (38.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.44%). 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.
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 | 2026-06-15 | 0.06% | 0.44% | +0.39% |
| 2 | 2026-02-23 | 0.03% | 0.06% | +0.02% |
| 3 | 2026-02-11 | — | 0.03% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
3.9 | 2.5 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| URL | Tags |
|---|---|
| https://support.apple.com/en-us/125110 | |
| https://support.apple.com/en-us/125113 | Release Notes Vendor Advisory |
| http://seclists.org/fulldisclosure/2025/Sep/53 | |
| http://seclists.org/fulldisclosure/2025/Sep/59 |