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

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

Published

2026-01-13

Last Modified

2026-01-13

Generated

2026-07-06

AI Q&A

2026-01-14

EPSS Evaluated

2026-07-05

NVD

CVE-2026-20823

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

Executive Summary

This vulnerability involves the exposure of sensitive information through Windows File Explorer, allowing an authorized attacker to disclose information locally to an unauthorized actor. [1]

Impact Analysis

The vulnerability can lead to information disclosure, where sensitive data may be accessed by unauthorized actors locally, potentially compromising confidentiality. [1]

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