CVE-2026-84578: An app may be able to break out of its sandbox in Apple macOS
A logic issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to break out of its sandbox.
AI Analysis
Technical Summary
This vulnerability involves a logic flaw in macOS that may permit an application to escape its sandbox environment, potentially bypassing security restrictions. Apple fixed the issue by implementing improved checks in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. The affected versions include all versions before these releases.
Potential Impact
An application exploiting this vulnerability could escape the sandbox containment, potentially leading to unauthorized access or actions outside the app's restricted environment. This could undermine system security by allowing elevated privileges or access to sensitive resources.
Mitigation Recommendations
A fix is available in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Users and administrators should update to these versions or later to remediate this vulnerability.
CVE-2026-84578: An app may be able to break out of its sandbox in Apple macOS
Description
A logic issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to break out of its sandbox.
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 logic flaw in macOS that may permit an application to escape its sandbox environment, potentially bypassing security restrictions. Apple fixed the issue by implementing improved checks in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. The affected versions include all versions before these releases.
Potential Impact
An application exploiting this vulnerability could escape the sandbox containment, potentially leading to unauthorized access or actions outside the app's restricted environment. This could undermine system security by allowing elevated privileges or access to sensitive resources.
Mitigation Recommendations
A fix is available in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Users and administrators should update to these versions or later to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T21:13:17.756Z
- State
- PUBLISHED
Threat ID: 6aa8610d55bf5e2cf59d2c02
Added to database: 09/14/2026, 21:03:09 UTC
Last enriched: 09/14/2026, 22:02:38 UTC
Last updated: 09/15/2026, 01:46:42 UTC
Views: 3
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