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.

CVSS v3 4.8 MEDIUM

4.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://support.apple.com/en-us/149035	Vendor Advisory
https://support.apple.com/en-us/149042	Vendor Advisory
https://support.apple.com/en-us/149043	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:macos::::::::

History

No history.

Information

Published : 2026-09-14 21:17

Updated : 2026-09-16 01:03

NVD link : CVE-2026-86889

Mitre link : CVE-2026-86889

CVE.ORG link : CVE-2026-86889

JSON object : View

Products Affected

apple

macos

CWE

CWE-295

Improper Certificate Validation

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