CVE-2026-42972
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Exposure of Sensitive Information in Windows Hyper-V

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 Hyper-V 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
CVE-2026-42972
EUVD
EUVD-2026-35729
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft windows_hyper-v *
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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 Windows Hyper-V. 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 access, potentially leading to privacy breaches or further exploitation.

Compliance Impact

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

Since the vulnerability allows an authorized attacker to disclose sensitive information locally, organizations using Windows Hyper-V may face increased risk of data breaches, which could lead to non-compliance with these standards.

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