9.8
Critical
CVE-2026-43803 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. A remote attacker may be able to cause unexpected system termination.
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 |
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
- 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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