Vulnerability in Apple macOS

CVE-2025-43406

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Tahoe 26.1. An app may be able to access sensitive user data.

Published · last modified .

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.002 (8.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 8.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-43406: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-43406?
CVE-2025-43406 is a medium-severity vulnerability in Apple macOS, classified under Exposure of Sensitive System Information to an Unauthorized Control Sphere. CVSS score: 5.5/10. Published 2025-12-12.
How severe is CVE-2025-43406?
Medium severity. CVSS v3 base score is 5.5 out of 10.