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.

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.

EPSS: 0.002 (7.4th percentile) — read the EPSS interpretation.

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.

Affected products

Apple Macos — versions 0

Weakness classification (CWE)

CWE-497 — Exposure of Sensitive System Information to an Unauthorized Control Sphere

References

product-security@apple.com (Release Notes, Vendor Advisory)

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.