CVE-2026-86868: An attacker may be able to impersonate other users in Apple macOS
Description
CVE-2026-86868 is an authentication vulnerability in Apple macOS that could allow an attacker to impersonate other users. The issue was addressed by improving state management. Fixed versions include macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Affected software
Apple
macOS
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an authentication issue in macOS that could enable an attacker to impersonate other users. Apple fixed the issue by improving state management in the authentication process. The vulnerability affects versions prior to macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Potential Impact
An attacker exploiting this vulnerability may be able to impersonate other users on affected macOS versions, potentially gaining unauthorized access or privileges associated with those users.
Mitigation Recommendations
Apply the official fixes by upgrading to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 or later. These versions contain the improved state management that resolves the authentication issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-08T16:43:41.870Z
- State
- PUBLISHED
Threat ID: 6ad6c19b2cdf04f656e4a8a9
Added to database: 10/20/2026, 01:19:23 UTC
Last enriched: 10/20/2026, 01:49:14 UTC
Last updated: 10/20/2026, 02:08:12 UTC
Views: 3
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