7.8
High
CVE-2026-64764 An out-of-bounds write issue was addressed with improved bounds checking
Description
An out-of-bounds write issue was addressed with improved bounds checking. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| iOS and iPadOS 26.6 | earliest → < 26.6 | 26.6 |
| iOS and iPadOS 18.7 | earliest → < 18.7.10 | 18.7.10 |
| macOS 26.6 | earliest → < 26.6 | 26.6 |
| macOS 15.7 | earliest → < 15.7.8 | 15.7.8 |
| macOS 14.8 | earliest → < 14.8.8 | 14.8.8 |
| tvOS 26.6 | earliest → < 26.6 | 26.6 |
| visionOS 26.6 | earliest → < 26.6 | 26.6 |
| watchOS 26.6 | earliest → < 26.6 | 26.6 |
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