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Microsoft Security Response CenterCVE-2026-70299

Windows Bind Filter Driver Elevation of Privilege Vulnerability

HighVendor CVSS 8.8 / 10 1 CVE Published Oct 13, 2026 at 7:00 AM UTC

Summary

Improper access control in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally.

Products covered

  • Windows Server 2025 (Server Core installation)

  • Windows 11 Version 23H2 for ARM64-based Systems

  • Windows 11 Version 23H2 for x64-based Systems

  • Windows Server 2025

Remediation

Install KB5126646. Install KB5126653.

Vendor-listed fixes

  • 10.0.26100.33650

  • 10.0.22631.7652

CVEs in this advisory 1

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.