CVE-2026-84521
Medium
Description
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27. An app may be able to cause unexpected system termination.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Apple Ipados
PublishedSep 14, 2026
First seenSep 14, 2026
Weakness typeCWE-416Use after free
How to fix
Update
- apple ipados26.7 or later
- apple iphone_os26.7 or later
- apple macos15.8, 26.7 or later
- apple visionos27.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple ipados | v < 26.7 | 26.7 |
| apple iphone_os | v < 26.7 | 26.7 |
| apple macos | 15.0 ≤ v < 15.8, 26.0 ≤ v < 26.7 | 15.8, 26.7 |
| apple visionos | v < 27.0 | 27.0 |
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