Windows Kernel-Mode Drivers Information Disclosure Vulnerability

MonitorCVSS 5.5CVE-2026-96849Oct 13, 2026
Microsoft
IT in OT - Windows Server and Active Directory are widely deployed in OT environments
Attack path
Attack VectorLocal
Auth RequiredLow
ComplexityLow
User InteractionNone needed
Summary

Use of uninitialized resource in Windows Kernel-Mode Drivers allows an authorized attacker to disclose information locally.

What this means
What could happen
Could expose sensitive configuration or process data
Who's at risk
Organizations in critical infrastructure using Microsoft equipment
How it could be exploited
Attacker would need local or console access to the device with basic access credentials. The attack is straightforward with no special conditions
Exploitability
Unlikely to be exploited - EPSS score 0.4%
Affected products (2)
2 with fix
ProductAffected VersionsFix Status
Windows 11 Version 26H1 for ARM64-based SystemsAll versionsBuild 10.0.28000.3231
Windows 11 version 26H1 for x64-based SystemsAll versionsBuild 10.0.28000.3231
Remediation & Mitigation
0/1
Long-term hardening
0/1
Exploitation assessment: Exploitation Less Likely. Apply the 2026-Oct security update.
API: /api/v1/advisories/63e4b920-9b25-4b3d-8d37-c6e860e5f0c0

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Windows Kernel-Mode Drivers Information Disclosure Vulnerability | CVSS 5.5 - OTPulse