cbcvebase.
CVE-2026-43748
published 2026-07-27

CVE-2026-43748: 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…

PriorityP344critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.15%
4.8th percentile
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

4 ranges
VendorProductVersion rangeFixed in
applemacos< 15.7.815.7.8
applemacos< 26.626.6
applemacos>= 15.0 < 15.7.815.7.8
applemacos>= 26.0 < 26.626.6
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