cbcvebase.
CVE-2026-28858
published 2026-03-25

CVE-2026-28858: 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…

critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
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

3 ranges
VendorProductVersion rangeFixed in
appleios_and_ipados< 26.426.4
appleipados< 26.426.4
appleiphone_os< 26.426.4