CVE-2026-84599
High
Description
The issue was addressed with improved memory handling. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpected system termination or corrupt kernel memory.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Apple Ipados
PublishedOct 26, 2026
First seenOct 26, 2026
Weakness typeCWE-119Memory buffer bounds error
How to fix
Update
- apple ipados26.7.2 or later
- apple iphone_os26.7.2 or later
- apple macos15.8, 26.7.2 or later
- apple tvos27.0 or later
- apple visionos27.0 or later
- apple watchos27.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple ipados | v < 26.7.2 | 26.7.2 |
| apple iphone_os | v < 26.7.2 | 26.7.2 |
| apple macos | 15.0 ≤ v < 15.8, 26.0 ≤ v < 26.7.2 | 15.8, 26.7.2 |
| apple tvos | v < 27.0 | 27.0 |
| apple visionos | v < 27.0 | 27.0 |
| apple watchos | v < 27.0 | 27.0 |
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