CVE-2026-96865
Undergoing Analysis Undergoing Analysis - In Progress

Information Disclosure in Windows Secure Kernel Mode

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 Secure Kernel Mode allows an authorized attacker to disclose information locally.

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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-2026-96865
EUVD
EUVD-2026-99787

Affected Vendors & Products

Showing 17 associated CPEs
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 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
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KEV
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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

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Executive Summary

This vulnerability involves the exposure of sensitive system information to an unauthorized control sphere in Windows Secure Kernel Mode. An authorized attacker can exploit it to disclose information locally.

Detection Guidance

This vulnerability involves information disclosure in Windows Secure Kernel Mode. Detection typically requires monitoring for unusual system information access patterns or reviewing system logs for unauthorized kernel interactions. Use Windows Event Viewer to check for security-related events in the kernel mode. Commands like 'wevtutil qe System /q:*[System[EventID=4103]]' can help inspect kernel events. Ensure all systems are updated with the latest patches from Microsoft.

Impact Analysis

An authorized attacker could access sensitive system information on affected Windows systems. This may lead to further attacks or data breaches if exploited.

Compliance Impact

This vulnerability allows unauthorized disclosure of sensitive system information, which could lead to violations of data protection regulations like GDPR and HIPAA by exposing personal or health-related data.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the vulnerability in Windows Secure Kernel Mode. Monitor Microsoft's update guide for specific patches related to CVE-2026-96865.

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