CVE-2026-84555: An app may be able to access sensitive user data in Apple macOS
CVE-2026-84555 is an authorization vulnerability in Apple macOS that could allow an app to access sensitive user data. The issue was addressed by improving access control mechanisms. The vulnerability is fixed in macOS Golden Gate 27 and macOS Sequoia 15.8.
AI Analysis
Technical Summary
This vulnerability involves an authorization issue in Apple macOS that may permit an application to access sensitive user data improperly. Apple resolved the issue by enhancing access control. The fix is included in macOS Golden Gate 27 and macOS Sequoia 15.8, indicating that versions prior to these releases are affected.
Potential Impact
An application running on affected macOS versions could potentially access sensitive user data without proper authorization, which may lead to privacy breaches or unauthorized data disclosure.
Mitigation Recommendations
Apply the official fixes by upgrading to macOS Golden Gate 27 or macOS Sequoia 15.8 or later. These versions contain improved access control that addresses the vulnerability.
CVE-2026-84555: An app may be able to access sensitive user data in Apple macOS
Description
CVE-2026-84555 is an authorization vulnerability in Apple macOS that could allow an app to access sensitive user data. The issue was addressed by improving access control mechanisms. The vulnerability is fixed in macOS Golden Gate 27 and macOS Sequoia 15.8.
Affected software
Apple
macOS
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an authorization issue in Apple macOS that may permit an application to access sensitive user data improperly. Apple resolved the issue by enhancing access control. The fix is included in macOS Golden Gate 27 and macOS Sequoia 15.8, indicating that versions prior to these releases are affected.
Potential Impact
An application running on affected macOS versions could potentially access sensitive user data without proper authorization, which may lead to privacy breaches or unauthorized data disclosure.
Mitigation Recommendations
Apply the official fixes by upgrading to macOS Golden Gate 27 or macOS Sequoia 15.8 or later. These versions contain improved access control that addresses the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T21:13:17.753Z
- State
- PUBLISHED
Threat ID: 6aa8610a55bf5e2cf59d2a86
Added to database: 09/14/2026, 21:03:06 UTC
Last enriched: 09/14/2026, 22:32:47 UTC
Last updated: 09/15/2026, 01:46:48 UTC
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.