CVE-2026-20838
Unknown Unknown - Not Provided
Information Disclosure via Error Messages in Windows Kernel

Publication date: 2026-01-13

Last updated on: 2026-01-13

Assigner: Microsoft Corporation

Description
Generation of error message containing sensitive information in Windows Kernel allows an authorized attacker to disclose information locally.
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Meta Information
Published
2026-01-13
Last Modified
2026-01-13
Generated
2026-06-16
AI Q&A
2026-01-14
EPSS Evaluated
2026-06-15
NVD
CVE-2026-20838
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft windows_kernel *
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-209 The product generates an error message that includes sensitive information about its environment, users, or associated data.
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Executive Summary

This vulnerability involves the Windows Kernel generating error messages that contain sensitive information. An authorized attacker with local access can exploit this to disclose sensitive information. [1]

Impact Analysis

The vulnerability can lead to information disclosure, allowing an authorized local attacker to access sensitive information that should not be exposed. [1]

Compliance Impact

The vulnerability allows local disclosure of sensitive information through error messages in the Windows Kernel, which could potentially lead to non-compliance with standards and regulations that require protection of sensitive data, such as GDPR and HIPAA. However, specific impacts on compliance are not detailed in the provided resources. [1]

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