CVE-2026-96865: Windows Secure Kernel Mode Information Disclosure Vulnerability
Exposure of sensitive system information to an unauthorized control sphere in Windows Secure Kernel Mode allows an authorized attacker to disclose information locally.
Other sources
Windows Secure Kernel Mode Information Disclosure Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.3231Patch KB5127646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7807Patch KB5126657 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26300.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9376Patch KB5126651 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.9612Patch KB5126868 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.7652Patch KB5126653 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5761Patch KB5126655
Event History
Frequently Asked Questions
Who can exploit this vulnerability?
An attacker must already be authorized on the affected Windows system and exploit it locally. The available data does not indicate that remote exploitation or user interaction is required.
What is the impact if exploitation succeeds?
Successful exploitation can disclose sensitive system information. The provided severity data indicates confidentiality impact only; it does not indicate integrity or availability impact.
Which systems should be reviewed?
Review deployments of Microsoft Windows 10, Windows 11, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025. The data does not identify specific affected builds, update levels, or configurations.
How difficult is exploitation?
The supplied CVSS vector rates attack complexity as high and requires low privileges. This suggests exploitation requires local access and some pre-existing authorization, with additional conditions or effort needed to carry it out.