CVE-2026-84559: A malicious application may be able to access restricted files in Apple macOS
CVE-2026-84559 is a permissions vulnerability in Apple macOS that could allow a malicious application to access restricted files. The issue was addressed by improving validation of permissions. Fixed versions include macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
AI Analysis
Technical Summary
This vulnerability involves a permissions issue in macOS that could enable a malicious application to access files that should be restricted. Apple fixed the issue by improving validation mechanisms in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Versions prior to these releases are affected.
Potential Impact
A malicious application running on affected macOS versions may gain unauthorized access to restricted files, potentially exposing sensitive data. There is no information about active exploitation in the wild.
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 updates include improved validation that resolves the permissions issue.
CVE-2026-84559: A malicious application may be able to access restricted files in Apple macOS
Description
CVE-2026-84559 is a permissions vulnerability in Apple macOS that could allow a malicious application to access restricted files. The issue was addressed by improving validation of permissions. Fixed versions include macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Affected software
Apple
macOS
pkg:github/apple/macosRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a permissions issue in macOS that could enable a malicious application to access files that should be restricted. Apple fixed the issue by improving validation mechanisms in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Versions prior to these releases are affected.
Potential Impact
A malicious application running on affected macOS versions may gain unauthorized access to restricted files, potentially exposing sensitive data. There is no information about active exploitation in the wild.
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 updates include improved validation that resolves the permissions issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T21:13:17.753Z
- State
- PUBLISHED
Threat ID: 6aa8610a55bf5e2cf59d2a89
Added to database: 09/14/2026, 21:03:06 UTC
Last enriched: 09/14/2026, 22:33:01 UTC
Last updated: 09/15/2026, 03:08:31 UTC
Views: 6
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