Vulnerability in Apple macOS

CVE-2025-43245

A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7. An app may be able to access protected user data.

EPSS: 0.007 (49.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-43245?
CVE-2025-43245 is a critical-severity vulnerability in Apple macOS, classified under Authentication Bypass by Spoofing. CVSS score: 9.8/10. Published 2025-07-30.
How severe is CVE-2025-43245?
Critical severity. CVSS v3 base score is 9.8 out of 10.