CVE-2026-86889

MEDIUM | Platform: macOS | Changelog

CVE Details

Description

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.

CVSS 3.1 Score

Metric	Value
Base Score	4.8 (MEDIUM)
Vector	`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N`

Weakness

CWE-295

References

Apple Security Advisory
NVD Entry
https://support.apple.com/en-us/149035 (Vendor Advisory)
https://support.apple.com/en-us/149043 (Vendor Advisory)