Vulnerability · NVD
CVE-2026-28858
CRITICAL 9.8
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.
Attack vector : Network
No privileges required
No user interaction
Show raw CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.53%
exploit very unlikely
percentile 42.3%
OS versions that fix this CVE
This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.