8.8
High
CVE-2026-64783 A use-after-free issue was addressed with improved memory management
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6, 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 |
| macOS 26.6 | earliest → < 26.6 | 26.6 |
| visionOS 26.6 | earliest → < 26.6 | 26.6 |
| watchOS 26.6 | earliest → < 26.6 | 26.6 |
References
- support.apple.com support.apple.com
- support.apple.com support.apple.com
- support.apple.com support.apple.com
- support.apple.com support.apple.com
- support.apple.com support.apple.com
Timeline
- Published
- Last modified
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