CVE-2026-20618
Improper Temporary File Handling in macOS Tahoe Allows Data Access
Publication date: 2026-02-11
Last updated on: 2026-02-18
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-377 | Creating and using insecure temporary files can leave application and system data vulnerable to attack. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves improper handling of temporary files in macOS Tahoe. Due to this issue, an application may be able to access user-sensitive data that it should not normally have access to. The problem was addressed and 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. This could lead to privacy breaches or unauthorized disclosure of personal information.
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 26.3 or later, where the issue has been fixed with improved handling of temporary files.