CVE-2026-43750
Critical
Description
A buffer overflow was addressed with improved bounds checking. 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 execute arbitrary code out of its sandbox or with certain elevated privileges.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Apple Macos
PublishedJul 27, 2026
First seenJul 27, 2026
Weakness typeCWE-120CWE-120
How to fix
Update
- apple macos14.8.8, 15.7.8, 26.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple macos | 14.0 ≤ v < 14.8.8, 15.0 ≤ v < 15.7.8, 26.0 ≤ v < 26.6 | 14.8.8, 15.7.8, 26.6 |
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