CVE-2026-42907
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Windows Shell Information Disclosure Vuln

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: Microsoft Corporation

Description
Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to disclose information locally.
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Meta Information
Published
2026-06-09
Last Modified
2026-06-09
Generated
2026-06-10
AI Q&A
2026-06-09
EPSS Evaluated
N/A
NVD
EUVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft windows_shell *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-200 The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
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Executive Summary

This vulnerability involves the exposure of sensitive information within the Windows Shell. It allows an authorized attacker to locally disclose information that should be protected from unauthorized access.

Impact Analysis

The impact of this vulnerability is information disclosure. An attacker with local authorized access can obtain sensitive information that they are not supposed to see, potentially leading to privacy breaches or further exploitation.

Compliance Impact

This vulnerability involves the exposure of sensitive information to an unauthorized actor through Windows Shell, which could potentially lead to unauthorized disclosure of personal or protected data.

Such exposure may impact compliance with standards and regulations like GDPR and HIPAA, which require the protection of sensitive information from unauthorized access or disclosure.

However, the provided information does not specify direct effects or compliance implications related to these regulations.

Mitigation Strategies

To mitigate this vulnerability, it is recommended to apply the security updates provided by Microsoft for Windows Shell as soon as they become available.

Since the vulnerability allows an authorized attacker to disclose information locally, limiting local access to trusted users and monitoring for unusual local activity can help reduce risk.

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