medium4.8
CVE-2026-86889
A certificate validation issue was addressed with improved certificate validation.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apple | Macos | from 15.0 before 15.8 from 26.0 before 26.7 |