CVE-2026-28858
Buffer Overflow in iOS/iPadOS Kernel Causes System Crash
Publication date: 2026-03-25
Last updated on: 2026-03-26
Assigner: Apple Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| apple | ipados | to 26.4 (exc) |
| apple | iphone_os | to 26.4 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-120 | The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a buffer overflow issue that was addressed by improving bounds checking in the affected software.
A remote user could exploit this vulnerability to cause unexpected system termination or corrupt kernel memory.
How can this vulnerability impact me? :
Exploitation of this vulnerability may allow a remote attacker to cause the system to unexpectedly terminate or to corrupt kernel memory, potentially leading to system instability or crashes.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
The vulnerability is fixed in iOS 26.4 and iPadOS 26.4. To mitigate this vulnerability, you should update your devices to these versions or later.