CVE-2026-20939
Unknown
Unknown - Not Provided
Information Disclosure in Windows File Explorer Allows Local Data Exposure
Publication date: 2026-01-13
Last updated on: 2026-01-13
Assigner: Microsoft Corporation
Description
Description
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | windows_file_explorer | * |
Helpful Resources
Exploitability
CWE
KEV
| 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 the exposure of sensitive information to an unauthorized actor through Windows File Explorer. It allows an authorized attacker to locally disclose information that should be protected. [1]
How can this vulnerability impact me? :
The vulnerability can lead to the disclosure of sensitive information to unauthorized actors locally, potentially compromising confidentiality of data on affected Windows systems. [1]
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