What is CVE-2026-28816?

CVE-2026-28816 is a medium-severity vulnerability in Apple macOS, classified under Path Traversal. CVSS score: 4.0/10. Published 2026-03-25.

How severe is CVE-2026-28816?

Medium severity. CVSS v3 base score is 4.0 out of 10.

Path Traversal in Apple macOS

CVE-2026-28816

A path handling issue was addressed with improved validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to delete files for which it does not have permission.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.002 (12.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Apple Macos — versions 0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

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

Frequently asked questions

What is CVE-2026-28816?: CVE-2026-28816 is a medium-severity vulnerability in Apple macOS, classified under Path Traversal. CVSS score: 4.0/10. Published 2026-03-25.
How severe is CVE-2026-28816?: Medium severity. CVSS v3 base score is 4.0 out of 10.