CVE-2026-43793

CriticalCVSS 9.8/10Last modified Oct 24, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published
Jul 27, 2026
Last modified
Oct 24, 2026
NVD status
Analyzed

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CVE-2026-43793: Critical severity, CVSS 9.8 | Vulnix