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.

Info

CVECVE-2026-43748

First seen2026-07-27 23:15 UTC

Disclosed2026-07-27 21:16 UTC

Last updated2026-07-27 23:15 UTC

Channel statusauto

Summary

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.

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Sources

NVD DATABASE

Original Links

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

Timeline

2026-07-27 nvd_ingest NVD