CVE-2026-20647
Unauthorized Data Access Vulnerability in macOS Tahoe
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 | macos | to 26.3 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-200 | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves an issue where an application may be able to access sensitive user data on macOS Tahoe. The problem was addressed by improving data protection mechanisms and has been fixed in macOS Tahoe version 26.3.
How can this vulnerability impact me? :
The vulnerability could allow an application to access sensitive user data without proper authorization, potentially leading to privacy breaches or unauthorized data exposure.
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 system to macOS Tahoe version 26.3 or later, where the issue has been fixed with improved data protection.