What is CVE-2026-84576?

CVE-2026-84576 is a medium-severity vulnerability in Apple macOS, classified under Information Disclosure. CVSS score: 5.5/10. Published 2026-09-14.

How severe is CVE-2026-84576?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Information disclosure in Apple macOS

CVE-2026-84576

This issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to access sensitive user data.

Vulnerability class: Information Disclosure

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

Apple Macos

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

product-security@apple.com
product-security@apple.com
product-security@apple.com

Frequently asked questions

What is CVE-2026-84576?: CVE-2026-84576 is a medium-severity vulnerability in Apple macOS, classified under Information Disclosure. CVSS score: 5.5/10. Published 2026-09-14.
How severe is CVE-2026-84576?: Medium severity. CVSS v3 base score is 5.5 out of 10.