CVE-2026-84556: An app may be able to access sensitive user data in Apple macOS
CVE-2026-84556 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. Fixed versions include macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
AI Analysis
Technical Summary
This vulnerability involves an authorization issue in Apple macOS that could permit an application to access sensitive user data improperly. The flaw was mitigated by enhancing access control checks. The vendor fixed the issue in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7, indicating that earlier versions are affected.
Potential Impact
An attacker controlling an app on affected macOS versions could potentially access sensitive user data without proper authorization, leading to privacy breaches or data leakage.
Mitigation Recommendations
Apply the official fixes by updating to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 or later. These versions include improved access control that resolves the vulnerability.
CVE-2026-84556: An app may be able to access sensitive user data in Apple macOS
Description
CVE-2026-84556 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. 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 authorization issue in Apple macOS that could permit an application to access sensitive user data improperly. The flaw was mitigated by enhancing access control checks. The vendor fixed the issue in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7, indicating that earlier versions are affected.
Potential Impact
An attacker controlling an app on affected macOS versions could potentially access sensitive user data without proper authorization, leading to privacy breaches or data leakage.
Mitigation Recommendations
Apply the official fixes by updating to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 or later. These versions include improved access control that resolves the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T21:13:17.753Z
- State
- PUBLISHED
Threat ID: 6aa8610a55bf5e2cf59d2a87
Added to database: 09/14/2026, 21:03:06 UTC
Last enriched: 09/14/2026, 22:32:50 UTC
Last updated: 09/15/2026, 01:46:46 UTC
Views: 3
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