CVE-2026-39868
Critical
Description
This issue was addressed with improved input validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination or corrupt kernel memory.
SeverityCritical
CVSS9.1
Exploit probability—
Product
Apple Ipados
PublishedJun 29, 2026
First seenJun 29, 2026
Weakness typeCWE-20Improper input validation
How to fix
Update
- apple ipados26.5.2 or later
- apple iphone_os26.5.2 or later
- apple macos26.5.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple ipados | v < 26.5.2 | 26.5.2 |
| apple iphone_os | v < 26.5.2 | 26.5.2 |
| apple macos | v < 26.5.2 | 26.5.2 |
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