Vulnerability in Apple macOS

CVE-2026-28837

A logic issue was addressed with improved checks. This issue is fixed in macOS Tahoe 26.4. An app may be able to access sensitive user data.

EPSS: 0.003 (26.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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-2026-28837?: CVE-2026-28837 is a high-severity vulnerability in Apple macOS, classified under Improper Access Control. CVSS score: 7.5/10. Published 2026-03-25.
How severe is CVE-2026-28837?: High severity. CVSS v3 base score is 7.5 out of 10.