CVE-2026-43767: 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
CVE-2026-43767 is a medium severity vulnerability in Apple macOS where an application with low privileges and requiring user interaction can trigger unexpected system termination. The root cause is related to improper memory handling, categorized under CWE-119, CWE-125, and CWE-787. The issue has been addressed by Apple in macOS Sequoia 15.7.8, Sonoma 14.8.8, and Tahoe 26.6 through improved memory management. No known exploits are reported in the wild.
Potential Impact
An attacker with limited privileges and requiring user interaction may cause the affected macOS system to terminate unexpectedly, resulting in denial of service. There is no impact on confidentiality or integrity according to the CVSS vector. No known active exploitation has been reported.
Mitigation Recommendations
Apple has fixed this vulnerability in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6 by improving memory handling. Users and administrators should apply these updates to remediate the issue. Patch status is confirmed by the vendor advisory indicating fixed versions. No additional mitigation steps are specified.
CVE-2026-43767: 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 5.0medium
Affected software
Apple
macOS
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-43767 is a medium severity vulnerability in Apple macOS where an application with low privileges and requiring user interaction can trigger unexpected system termination. The root cause is related to improper memory handling, categorized under CWE-119, CWE-125, and CWE-787. The issue has been addressed by Apple in macOS Sequoia 15.7.8, Sonoma 14.8.8, and Tahoe 26.6 through improved memory management. No known exploits are reported in the wild.
Potential Impact
An attacker with limited privileges and requiring user interaction may cause the affected macOS system to terminate unexpectedly, resulting in denial of service. There is no impact on confidentiality or integrity according to the CVSS vector. No known active exploitation has been reported.
Mitigation Recommendations
Apple has fixed this vulnerability in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6 by improving memory handling. Users and administrators should apply these updates to remediate the issue. Patch status is confirmed by the vendor advisory indicating fixed versions. No additional mitigation steps are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:27.817Z
- State
- PUBLISHED
Threat ID: 6a67c1b89c2644c7f8cb0f44
Added to database: 07/27/2026, 20:38:16 UTC
Last enriched: 07/29/2026, 23:31:55 UTC
Last updated: 09/11/2026, 22:06:33 UTC
Views: 49
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