Auth bypass in Apple Macos

CVE-2026-43766

An authorization issue was addressed with improved state management. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An attacker with physical access to a locked device may be able to view sensitive user…

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-43766?
CVE-2026-43766 is a medium-severity vulnerability in Apple Macos, classified under Improper Authentication. CVSS score: 4.6/10. Published 2026-07-27.
How severe is CVE-2026-43766?
Medium severity. CVSS v3 base score is 4.6 out of 10.