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…

Priority P3 50 critical 9.8 CVSS 3.1

AV N AC L PR N UI N S U C H I H A H

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

Vendor	Product	Version range	Fixed in
apple	ios_and_ipados	< 26.4	26.4
apple	ipados	< 26.4	26.4
apple	iphone_os	< 26.4	26.4

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.

CWE-120