critical9.8
CVE-2026-28858
A buffer overflow was addressed with improved bounds checking.
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Apple | Ipados | before 26.4 |
| Apple | Iphone Os | before 26.4 |