A denial-of-service issue was addressed with improved validation. This issue is fixed in macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1. A remote attacker may be able to cause a denial-of-service.
Conclusion & alert: CVE-2025-43401 is rated Moderate Risk (49.7/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.88%). 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 | 2026-06-15 | 0.14% | 0.88% | +0.74% |
| 2 | 2026-04-03 | 0.15% | 0.14% | -0.01% |
| 3 | 2026-04-02 | — | 0.15% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| URL | Tags |
|---|---|
| https://support.apple.com/en-us/125634 | |
| https://support.apple.com/en-us/125635 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/125636 | Release Notes Vendor Advisory |