Windows NTFS Information Disclosure Vulnerability

MonitorCVSS 5.5CVE-2026-96925Oct 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

Integer underflow (wrap or wraparound) in Windows NTFS 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 (28)
28 with fix
ProductAffected VersionsFix Status
Windows 10 Version 1607 for 32-bit SystemsAll versionsBuild 10.0.14393.9612
Windows 10 Version 1607 for x64-based SystemsAll versionsBuild 10.0.14393.9612
Windows Server 2016All versionsBuild 10.0.14393.9612
Windows Server 2016 (Server Core installation)All versionsBuild 10.0.14393.9612
Windows 10 Version 1809 for 32-bit SystemsAll versionsBuild 10.0.17763.9376
Remediation & Mitigation
0/1
Long-term hardening
0/1
Exploitation assessment: Exploitation Less Likely. Apply the 2026-Oct security update.
API: /api/v1/advisories/39535dea-1ff9-4689-a383-f3dd46912dd4

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