CVE-2026-20651
Improper Temporary File Handling in macOS Risks Data Exposure
Publication date: 2026-03-25
Last updated on: 2026-03-25
Assigner: Apple Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| apple | macos | From 26.0 (inc) to 26.3 (exc) |
| apple | macos | From 14.0 (inc) to 14.8.5 (exc) |
| apple | macos | From 15.0 (inc) to 15.7.5 (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 is a privacy issue related to the handling of temporary files on certain macOS versions. Due to improper management of these temporary files, an application may be able to access sensitive user data that it should not normally have access to.
How can this vulnerability impact me? :
The impact of this vulnerability is that an application could potentially access sensitive user data without proper authorization. This could lead to privacy breaches and 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 macOS system to one of the fixed versions: macOS Sequoia 15.7.5, macOS Sonoma 14.8.4, or macOS Tahoe 26.3.