CVE-2026-96865

Analyzed Analyzed - Analysis Complete

Information Disclosure in Windows Secure Kernel Mode

Publication date: 2026-10-13

Last updated on: 2026-10-28

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.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-13

Last Modified

2026-10-28

Generated

2026-11-08

AI Q&A

2026-10-14

EPSS Evaluated

2026-11-07

NVD

CVE-2026-96865

EUVD

EUVD-2026-99787

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_10_1607	to 10.0.14393.9612 (exc)
microsoft	windows_10_1607	to 10.0.14393.9612 (exc)
microsoft	windows_10_1809	to 10.0.17763.9376 (exc)
microsoft	windows_10_1809	to 10.0.17763.9376 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7807 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7807 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7807 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7652 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7652 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9711 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9711 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9711 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9711 (exc)
microsoft	windows_11_26h1	to 10.0.28000.3231 (exc)
microsoft	windows_11_26h1	to 10.0.28000.3231 (exc)
microsoft	windows_11_26h2	to 10.0.26300.9711 (exc)
microsoft	windows_11_26h2	to 10.0.26300.9711 (exc)
microsoft	windows_server_2025	to 10.0.26100.33650 (exc)
microsoft	windows_server_2022	to 10.0.20348.5761 (exc)
microsoft	windows_server_2016	to 10.0.14393.9612 (exc)
microsoft	windows_server_2019	to 10.0.17763.9376 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7807 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7807 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7807 (exc)

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 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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EPSS Chart

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