What is CVE-2026-20632?

CVE-2026-20632 is a medium-severity vulnerability in Apple macOS, classified under Improper Access Control. CVSS score: 5.3/10. Published 2026-03-25.

How severe is CVE-2026-20632?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Apple macOS

CVE-2026-20632

A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Tahoe 26.4. An app may be able to access sensitive user data.

EPSS: 0.003 (22.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Apple Macos — versions 0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

product-security@apple.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-20632?: CVE-2026-20632 is a medium-severity vulnerability in Apple macOS, classified under Improper Access Control. CVSS score: 5.3/10. Published 2026-03-25.
How severe is CVE-2026-20632?: Medium severity. CVSS v3 base score is 5.3 out of 10.