CVE-2026-43768: An app may be able to cause unexpected system termination in Apple macOS
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.
AI Analysis
Technical Summary
This vulnerability in Apple macOS involves a memory handling flaw that could be exploited by an application to cause unexpected system termination, impacting system availability. The issue is tracked as CVE-2026-43768 and is associated with CWE-400 (Uncontrolled Resource Consumption). Apple has fixed this issue in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6. There are no known exploits in the wild, and the vulnerability requires local attack vector with low complexity and no privileges but user interaction.
Potential Impact
An attacker with local access and the ability to interact with the user interface could cause the system to terminate unexpectedly, resulting in denial of service. There is no impact on confidentiality or integrity of data. The availability of the system is affected.
Mitigation Recommendations
The vulnerability has been fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6. Users and administrators should update to these versions or later to remediate the issue. No additional mitigation steps are indicated.
CVE-2026-43768: An app may be able to cause unexpected system termination in Apple macOS
Description
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.
CVSS v3.1
Score 5.5medium
Affected software
Apple
macOS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Apple macOS involves a memory handling flaw that could be exploited by an application to cause unexpected system termination, impacting system availability. The issue is tracked as CVE-2026-43768 and is associated with CWE-400 (Uncontrolled Resource Consumption). Apple has fixed this issue in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6. There are no known exploits in the wild, and the vulnerability requires local attack vector with low complexity and no privileges but user interaction.
Potential Impact
An attacker with local access and the ability to interact with the user interface could cause the system to terminate unexpectedly, resulting in denial of service. There is no impact on confidentiality or integrity of data. The availability of the system is affected.
Mitigation Recommendations
The vulnerability has been fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6. Users and administrators should update to these versions or later to remediate the issue. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:27.817Z
- State
- PUBLISHED
Threat ID: 6a67c1b89c2644c7f8cb0f49
Added to database: 07/27/2026, 20:38:16 UTC
Last enriched: 07/29/2026, 23:31:04 UTC
Last updated: 09/11/2026, 22:06:33 UTC
Views: 34
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