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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (4.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
Weakness classification (CWE)
References
- support.apple.com/en-us/149035 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/149037 (Release Notes, Vendor Advisory)
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.