CVE-2026-84563: An app may be able to cause unexpected system termination in Apple macOS
CVE-2026-84563 is a logic issue in Apple macOS that could allow an application to cause unexpected system termination. The issue has been addressed with improved checks and fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Versions prior to these releases are affected. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
This vulnerability involves a logic flaw in macOS that may permit an application to trigger an unexpected system termination. Apple resolved the issue by implementing improved validation checks. The fix is included in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. The affected versions are all earlier releases before these fixed versions.
Potential Impact
An attacker with the ability to run an application on the affected macOS versions could cause the system to terminate unexpectedly, potentially leading to denial of service conditions. There is no indication of code execution or data compromise from the provided information.
Mitigation Recommendations
Apply the official updates provided by Apple: upgrade to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 or later. These versions contain the fix for this issue. No other mitigation steps are indicated.
CVE-2026-84563: An app may be able to cause unexpected system termination in Apple macOS
Description
CVE-2026-84563 is a logic issue in Apple macOS that could allow an application to cause unexpected system termination. The issue has been addressed with improved checks and fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Versions prior to these releases are affected. There are no known exploits in the wild at this time.
Affected software
Apple
macOS
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a logic flaw in macOS that may permit an application to trigger an unexpected system termination. Apple resolved the issue by implementing improved validation checks. The fix is included in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. The affected versions are all earlier releases before these fixed versions.
Potential Impact
An attacker with the ability to run an application on the affected macOS versions could cause the system to terminate unexpectedly, potentially leading to denial of service conditions. There is no indication of code execution or data compromise from the provided information.
Mitigation Recommendations
Apply the official updates provided by Apple: upgrade to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 or later. These versions contain the fix for this issue. No other mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T21:13:17.754Z
- State
- PUBLISHED
Threat ID: 6aa8610b55bf5e2cf59d2bf0
Added to database: 09/14/2026, 21:03:07 UTC
Last enriched: 09/14/2026, 22:33:17 UTC
Last updated: 09/15/2026, 01:46:46 UTC
Views: 5
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