CVE-2026-86889
A certificate validation issue was addressed with improved certificate validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An attacker in a privileged network position may be able to intercept network traffic.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 4.8
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- EPSS probability
- 0.19%
- Published
- 2026-09-14
- Last modified
- 2026-09-15
Affected products
- Apple macOS