8.8
High
CVE-2026-64757 A memory corruption issue was addressed with improved state management
Description
A memory corruption issue was addressed with improved state management. This issue is fixed in Safari 26.6, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Safari 26.6 | earliest → < 26.6 | 26.6 |
| 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 |
| visionOS 26.6 | earliest → < 26.6 | 26.6 |
| watchOS 26.6 | earliest → < 26.6 | 26.6 |
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