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
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | iOS and iPadOS | < 26.4 | 26.4 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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kaleth4/CVE-2026-28858 ★ 0 · Apr 6, 2026
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- WID-SEC-2026-0852 Apple iOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 8, 2026
- NCSC-2026-0101 Kwetsbaarheden verholpen in Apple iOS en iPadOS NCSC-NL (Netherlands) · Mar 25, 2026