CVE-2026-20638
Information Disclosure via Logic Flaw in iOS and iPadOS Caller ID
Publication date: 2026-02-11
Last updated on: 2026-02-13
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 26.3 (exc) |
| apple | iphone_os | to 26.3 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-284 | The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a logic issue in iOS and iPadOS where a user who has Live Caller ID app extensions turned off could still have identifying information leaked to those extensions.
The issue was addressed by improving checks in the system to prevent this unintended information leakage.
How can this vulnerability impact me? :
If you have Live Caller ID app extensions turned off, this vulnerability could still cause your identifying information to be leaked to those extensions.
This could lead to privacy concerns as sensitive personal information might be exposed without your consent.
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 your devices to iOS 26.3 or iPadOS 26.3 where the issue has been fixed.