Auth bypass in Apple Macos

CVE-2026-20696

An authorization issue was addressed with improved state management. This issue is fixed in macOS Tahoe 26.4. An app may be able to access sensitive user data.

Vulnerability class: Broken Access Control

EPSS: 0.000 (2.1th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-20696?
CVE-2026-20696 is a medium-severity vulnerability in Apple Macos, classified under Missing Authorization. CVSS score: 5.5/10. Published 2026-05-11.
How severe is CVE-2026-20696?
Medium severity. CVSS v3 base score is 5.5 out of 10.