What is CVE-2026-84586?

CVE-2026-84586 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-2026-84586?

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

Information disclosure in Apple macOS

CVE-2026-84586

An information disclosure issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, watchOS 27. A malicious application may be able to leak sensitive user information.

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
Apple Watchos

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

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

Frequently asked questions

What is CVE-2026-84586?: CVE-2026-84586 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-2026-84586?: Medium severity. CVSS v3 base score is 5.5 out of 10.