Critical severity9.8NVD Advisory· Published Jul 27, 2026· Updated Jul 28, 2026
CVE-2026-43793
CVE-2026-43793
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=14.0,<14.8.8
- (no CPE)range: before 15.7.8, 14.8.8, 26.6
Patches
Vulnerability mechanics
References
3- support.apple.com/en-us/128067nvdRelease NotesVendor Advisory
- support.apple.com/en-us/128071nvdRelease NotesVendor Advisory
- support.apple.com/en-us/128072nvdRelease NotesVendor Advisory
News mentions
1- Apple Patches Everything (July 2026), (Wed, Jul 29th)SANS Internet Storm Center · Jul 29, 2026