CVE-2026-108462

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Exposure of Sensitive Information in Windows Kernel

Publication date: 2026-10-13

Last updated on: 2026-10-16

Assigner: Microsoft Corporation

Description

Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an authorized attacker to disclose information locally.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-13

Last Modified

2026-10-16

Generated

2026-10-19

AI Q&A

2026-10-14

EPSS Evaluated

2026-10-18

NVD

CVE-2026-108462

EUVD

EUVD-2026-99083

Affected Vendors & Products

Vendor	Product	Version / Range
Microsoft	Windows	10 Version 1607 10.0.14393.0
Microsoft	Windows	10 Version 1809 10.0.17763.0
Microsoft	Windows	10 Version 21H2 10.0.19044.0
Microsoft	Windows	10 Version 22H2 10.0.19045.0
Microsoft	Windows	11 version 23H2 10.0.22631.0
Microsoft	Windows	11 Version 23H2 10.0.22631.0
Microsoft	Windows	11 Version 24H2 10.0.26100.0
Microsoft	Windows	11 Version 25H2 10.0.26200.0
Microsoft	Windows	11 version 26H1 10.0.28000.0
Microsoft	Windows	11 Version 26H2 10.0.26300.0
Microsoft	Windows	Server 2012 6.2.9200.0
Microsoft	Windows	Server 2012 (Server Core installation) 6.2.9200.0
Microsoft	Windows	Server 2012 R2 6.3.9600.0
Microsoft	Windows	Server 2012 R2 (Server Core installation) 6.3.9600.0
Microsoft	Windows	Server 2016 10.0.14393.0
Microsoft	Windows	Server 2016 (Server Core installation) 10.0.14393.0
Microsoft	Windows	Server 2019 10.0.17763.0
Microsoft	Windows	Server 2019 (Server Core installation) 10.0.17763.0
Microsoft	Windows	Server 2022 10.0.20348.0
Microsoft	Windows	Server 2025 10.0.26100.0
Microsoft	Windows	Server 2025 (Server Core installation) 10.0.26100.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-497	The product does not properly prevent sensitive system-level information from being accessed by unauthorized actors who do not have the same level of access to the underlying system as the product does.

Attack-Flow Graph

Executive Summary

This vulnerability involves the exposure of sensitive system information to an unauthorized control sphere in the Windows Kernel. An authorized attacker with local access can exploit this to disclose confidential information.

Detection Guidance

This vulnerability involves information disclosure in the Windows Kernel. Detection typically requires monitoring for unusual system information exposure or kernel-level anomalies. Use Windows Event Viewer to check for suspicious kernel events or unauthorized access attempts. Microsoft Defender ATP or similar tools can help detect local information disclosure activities.

Impact Analysis

An attacker could gain access to sensitive system data, potentially leading to further attacks like privilege escalation or data theft. This is especially risky for systems handling confidential information.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating compliance requirements like GDPR (data protection) and HIPAA (health information privacy). Organizations may face penalties or legal consequences.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Windows Kernel vulnerability. Monitor Microsoft's security advisories for updates and install them promptly.

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