CVE-2026-42906

Analyzed Analyzed - Analysis Complete

Exposure of Sensitive Information in Windows Shell

Publication date: 2026-06-09

Last updated on: 2026-06-11

Assigner: Microsoft Corporation

Description

Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to disclose information locally.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-06-09

Last Modified

2026-06-11

Generated

2026-06-30

AI Q&A

2026-06-09

EPSS Evaluated

2026-06-28

NVD

CVE-2026-42906

EUVD

EUVD-2026-35595

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_10_21h2	to 10.0.19044.7417 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7417 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7417 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7417 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7417 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7417 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7219 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7219 (exc)
microsoft	windows_11_24h2	to 10.0.26100.8655 (exc)
microsoft	windows_11_24h2	to 10.0.26100.8655 (exc)
microsoft	windows_11_25h2	to 10.0.26200.8655 (exc)
microsoft	windows_11_25h2	to 10.0.26200.8655 (exc)
microsoft	windows_11_26h1	to 10.0.28000.2269 (exc)
microsoft	windows_11_26h1	to 10.0.28000.2269 (exc)
microsoft	windows_server_2022	to 10.0.20348.5256 (exc)
microsoft	windows_server_2025	to 10.0.26100.32995 (exc)

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 within the Windows Shell. It allows an authorized attacker to locally disclose information that should otherwise be protected from unauthorized access.

Impact Analysis

The impact of this vulnerability is information disclosure. An attacker with local authorized access can exploit this flaw to gain access to sensitive information, potentially leading to privacy breaches or further attacks.

Mitigation Strategies

This vulnerability involves exposure of sensitive information in Windows Shell to an authorized local attacker.

To mitigate this vulnerability, it is recommended to apply the security updates provided by Microsoft as detailed in their update guide.

Compliance Impact

The vulnerability involves the exposure of sensitive information to an unauthorized actor, which could potentially impact compliance with data protection standards such as GDPR and HIPAA that require safeguarding sensitive data.

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

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