CVE-2026-84550: An app may be able to cause unexpected system termination in Apple macOS
A race condition vulnerability in Apple macOS could allow an application to cause unexpected system termination. This issue has been addressed with additional validation and fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
AI Analysis
Technical Summary
CVE-2026-84550 describes a race condition in Apple macOS that may allow an application to cause unexpected system termination. The vulnerability was mitigated by adding additional validation checks. The fix is included in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7 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 or disruption of normal operations.
Mitigation Recommendations
This vulnerability has been fixed 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 the issue.
CVE-2026-84550: An app may be able to cause unexpected system termination in Apple macOS
Description
A race condition vulnerability in Apple macOS could allow an application to cause unexpected system termination. This issue has been addressed with additional validation and fixed in 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
CVE-2026-84550 describes a race condition in Apple macOS that may allow an application to cause unexpected system termination. The vulnerability was mitigated by adding additional validation checks. The fix is included in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7 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 or disruption of normal operations.
Mitigation Recommendations
This vulnerability has been fixed 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 the issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T21:13:17.752Z
- State
- PUBLISHED
Threat ID: 6aa8610855bf5e2cf59d2994
Added to database: 09/14/2026, 21:03:04 UTC
Last enriched: 09/14/2026, 22:32:27 UTC
Last updated: 09/15/2026, 03:01:22 UTC
Views: 4
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