CVE-2026-86868
Analyzed Analyzed - Analysis Complete

Authentication Bypass in macOS Golden Gate

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Apple Inc.

Description
An authentication issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An attacker may be able to impersonate other users.

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Meta Information

Published
2026-10-20
Last Modified
2026-11-03
Generated
2026-11-09
AI Q&A
2026-10-20
EPSS Evaluated
2026-11-07
NVD
CVE-2026-86868
EUVD
EUVD-2026-104709

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
apple macos to 15.8 (exc)
apple macos From 26.0 (inc) to 26.7 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-287 When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

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Executive Summary

This vulnerability is an authentication issue caused by poor state management in macOS versions. An attacker could exploit this to impersonate legitimate users by manipulating authentication states.

Detection Guidance

Detection methods are not specified in the provided CVE details. Check for unauthorized user impersonation attempts in system logs and ensure all macOS systems are updated to the fixed versions (macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7).

Impact Analysis

If exploited, an attacker could gain unauthorized access to user accounts, steal sensitive data, or perform actions on behalf of other users without their consent.

Compliance Impact

The provided CVE data does not specify how this vulnerability impacts compliance with standards like GDPR or HIPAA. The issue involves an authentication flaw allowing impersonation, which could potentially lead to unauthorized access to sensitive data.

Mitigation Strategies

Update to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 to address the authentication issue. Ensure all systems are running the latest patched versions to prevent impersonation attacks.

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