Vulnerability in Apple macOS
CVE-2026-84535
An authorization issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to break out of its sandbox.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.002 (5.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.2% 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/149042 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/149043 (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-84535?
- CVE-2026-84535 is a high-severity vulnerability in Apple macOS, classified under Improper Access Control. CVSS score: 8.2/10. Published 2026-09-14.
- How severe is CVE-2026-84535?
- High severity. CVSS v3 base score is 8.2 out of 10.