CVE-2026-28890
Out-of-Bounds Read in Xcode Causes Unexpected System Termination
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 | xcode | to 26.4 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-125 | The product reads data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an out-of-bounds read issue in Xcode that was addressed by improving bounds checking.
An out-of-bounds read occurs when a program reads data outside the boundaries of allocated memory, which can lead to unexpected behavior.
In this case, the issue could allow an app to cause unexpected system termination.
How can this vulnerability impact me? :
This vulnerability can impact you by allowing an app to cause unexpected system termination, which may lead to loss of data or disruption of services.
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?
To mitigate this vulnerability, update Xcode to version 26.4 or later where the issue has been fixed with improved bounds checking.