Unrated severityNVD Advisory· Published Jul 27, 2026· Updated Jul 28, 2026

CVE-2026-43748

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.

Affected products

Apple Inc./macOS Sequoiallm-fuzzy
Range: 15.7.8
Apple Inc./macOS Tahoellm-fuzzy
Range: 26.6

Patches

Vulnerability mechanics

References

support.apple.com/en-us/128067mitre
support.apple.com/en-us/128071mitre

News mentions

Apple Patches Everything (July 2026), (Wed, Jul 29th)
SANS Internet Storm Center · Jul 29, 2026

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