CVE-2026-43793

published 2026-07-27

CVE-2026-43793: 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…

Priority P3 39 critical 9.8 CVSS 3.1

AV N AC L PR N UI N S U C H I H A H

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.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
apple	macos	< 14.8.8	14.8.8
apple	macos	< 15.7.8	15.7.8
apple	macos	< 26.6	26.6
apple	macos	>= 14.0 < 14.8.8	14.8.8
apple	macos	>= 15.0 < 15.7.8	15.7.8
apple	macos	>= 26.0 < 26.6	26.6

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CWE-20