CVE-2026-20818
Unknown Unknown - Not Provided
Sensitive Data Exposure via Log Injection in Windows Kernel

Publication date: 2026-01-13

Last updated on: 2026-01-13

Assigner: Microsoft Corporation

Description
Insertion of sensitive information into log file in Windows Kernel allows an unauthorized 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-2026-20818
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-532 The product writes sensitive information to a log file.
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Executive Summary

This vulnerability involves the insertion of sensitive information into a log file within the Windows Kernel, which allows an unauthorized attacker to locally disclose that sensitive information. [1]

Impact Analysis

The vulnerability can lead to information disclosure by allowing an unauthorized local attacker to access sensitive information that was improperly logged by the Windows Kernel. [1]

Compliance Impact

The vulnerability involves insertion of sensitive information into log files, which could lead to unauthorized local disclosure of sensitive data. This type of information disclosure may impact compliance with standards and regulations such as GDPR and HIPAA that require protection of sensitive information and prevention of unauthorized access or disclosure. [1]

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