9.8
Critical
CVE-2026-28858 A buffer overflow was addressed with improved bounds checking
Description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote user may be able to cause unexpected system termination or corrupt kernel memory.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| iOS and iPadOS 26.4 | earliest → < 26.4 | 26.4 |
References
- support.apple.com support.apple.com
Timeline
- Published
- Last modified
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