macOS Sequoia 15.7.8 ENV Variable Validation Failure Leads to System Termination
CVE-2026-43793 Published on July 27, 2026
An issue existed in the handling of environment variables. This issue was addressed with improved validation. 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.
Products Associated with CVE-2026-43793
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Affected Versions
Apple macOS:- Before 14.8.8 is affected.
- Before 15.7.8 is affected.
- Before 26.6 is affected.