Vulnerability in Apple macOS
CVE-2026-43690
A race condition was addressed with improved locking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. A local user may be able to read kernel memory.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.001 (1.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · 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-2026-43690?
- CVE-2026-43690 is a medium-severity vulnerability in Apple macOS, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 4.7/10. Published 2026-09-14.
- How severe is CVE-2026-43690?
- Medium severity. CVSS v3 base score is 4.7 out of 10.