The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.5, macOS Sonoma 14.7.6. Connecting to a malicious AFP server may corrupt kernel memory.
Conclusion & alert: CVE-2025-31246 is rated Moderate Risk (57/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.42%). 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 | 2026-03-08 | 0.05% | 0.42% | +0.37% |
| 2 | 2025-10-20 | 0.04% | 0.05% | +0.01% |
| 3 | 2025-10-08 | — | 0.04% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| URL | Tags |
|---|---|
| https://support.apple.com/en-us/122716 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/122717 | Release Notes Vendor Advisory |
| http://seclists.org/fulldisclosure/2025/May/7 | |
| http://seclists.org/fulldisclosure/2025/May/8 |