Vulnerability in Apple macOS

CVE-2025-43321

The issue was resolved by blocking unsigned services from launching on Intel Macs. This issue is fixed in macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26. An app may be able to access protected user data.

EPSS: 0.002 (11.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-43321?
CVE-2025-43321 is a medium-severity vulnerability in Apple macOS, classified under Improper Access Control. CVSS score: 5.5/10. Published 2025-09-15.
How severe is CVE-2025-43321?
Medium severity. CVSS v3 base score is 5.5 out of 10.