CVE-2026-43818
High
Description
An integer overflow was addressed with improved input validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Processing a maliciously crafted image may lead to arbitrary code execution.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Apple Ipados
PublishedJul 27, 2026
First seenJul 27, 2026
Weakness typeCWE-190Integer overflow
How to fix
Update
- apple ipados26.6 or later
- apple iphone_os26.6 or later
- apple macos14.8.8, 15.7.8, 26.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple ipados | v < 26.6 | 26.6 |
| apple iphone_os | v < 26.6 | 26.6 |
| 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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