Exposure of Sensitive System Information to an Unauthorized Control Sphere in Microsoft Windows and Windows Server - CVE-2026-96865

 

Exposure of Sensitive System Information to an Unauthorized Control Sphere in Microsoft Windows and Windows Server - CVE-2026-96865

Published: October 14, 2026


Vulnerability identifier: #VU155498
CSH Severity: Low
CVSS v4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-96865
CWE-ID: CWE-497
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to disclose certain kernel memory content.

The vulnerability exists due to exposure of sensitive system information to an unauthorized control sphere in Windows Secure Kernel Mode when operating locally. A local user can win a race condition to disclose certain kernel memory content.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2026-96865

Install security update from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.7807, 10 1607 10.0.14393.9612, 10 1809 10.0.17763.9376, 11 23H2 10.0.22631.7652, 11 24H2 10.0.26100.9711, 11 25H2 10.0.26200.9711, 11 26H1 10.0.28000.3231
Windows Server - addressed in versions 2016 10.0.14393.9612, 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650

External References

Related Security Bulletins