CVE-2026-43793

critical · 9.8

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.

9.8

CVSS

0.6%

EPSS (exploit prob.)

47th

EPSS percentile

2026-07-27

Published

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

Weaknesses

CWE-20

Affected products

Vendor	Product	Affected versions
apple	macos	>= 14.0, < 14.8.8
apple	macos	>= 15.0, < 15.7.8
apple	macos	>= 26.0, < 26.6

Check a specific version with /api/v1/cve/match.

References

https://support.apple.com/en-us/128067
https://support.apple.com/en-us/128071
https://support.apple.com/en-us/128072

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-43793