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VULNERABILITIES

CVE-2026-86889 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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:4.8 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://support.apple.com/en-us/149035 [email protected]Vendor Advisory
https://support.apple.com/en-us/149042 [email protected]Vendor Advisory
https://support.apple.com/en-us/149043 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-295Improper Certificate ValidationCISA-ADP

Affected Products

ProductVersions
apple macos
>= 15.0, < 15.8
>= 26.0, < 26.7

CPE

  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-86889
NVD Published Date:
Sep 14, 2026
NVD Last Modified:
Sep 16, 2026
Source:
[email protected]
CVE-2026-86889 Details - Not Deferred