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CVE-2026-86889 (GCVE-0-2026-86889)

Vulnerability from cvelistv5 – Published: 2026-09-14 20:50 – Updated: 2026-09-15 15:23
VLAI
Summary
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.
Severity
4.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 15:23 UTC
CWE
  • An attacker in a privileged network position may be able to intercept network traffic
  • CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
Vendor Product Version CPE status
Apple macOS Affected: 0 , < 15.8 (custom)
Affected: 0 , < 26.7 (custom)
Affected: 0 , < 27 (custom)
guessed Create a notification for this product.
Show details on NVD website
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