MSRC-CVE-2026-85812 — Windows Bind Filter Driver Information Disclosure Vulnerability

Summary

Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

What type of information could be disclosed by this vulnerability?
The issue could result in exposure of a small amount of internal system data, such as an internal identifier value. The information is limited in scope and does not involve user content or personal data.

Security updates
10.0.20348.5761 — https://support.microsoft.com/help/5126655
10.0.19044.7807 — https://support.microsoft.com/help/5126657
10.0.26100.33650 — https://support.microsoft.com/help/5126646
10.0.26200.9711 — https://support.microsoft.com/help/5127648
10.0.22631.7652 — https://support.microsoft.com/help/5126653
10.0.28000.3231 — https://support.microsoft.com/help/5127646

Vulnerabilities 1

Medium 5.5

CVE-2026-85812

Windows Bind Filter Driver Information Disclosure Vulnerability

Files or directories accessible to external parties in Windows Bind Filter Driver allows an authorized attacker to disclose information locally.

Microsoft Windows Server 2022 Windows 10 Version 21H2 Windows 10 Version 22H2 Windows

Oct 13, 2026

Revision history

2026-10-13 #1
Information published.

References

CVE-2026-85812 Windows Bind Filter Driver Information Disclosure Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85812
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss