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Microsoft Security Response CenterCVE-2026-97000

Windows USM Communication Manager Elevation of Privilege Vulnerability

HighVendor CVSS 7.0 / 10 1 CVE Published Nov 10, 2026 at 8:00 AM UTC

Summary

Null pointer dereference in Windows USM Communication Manager allows an authorized attacker to elevate privileges locally.

Products covered

  • Windows 10 Version 21H2 for 32-bit Systems

  • Windows 10 Version 21H2 for ARM64-based Systems

  • Windows 10 Version 21H2 for x64-based Systems

  • Windows 10 Version 22H2 for 32-bit Systems

  • Windows 10 Version 22H2 for ARM64-based Systems

  • Windows 10 Version 22H2 for x64-based Systems

Remediation

Install KB5131096.

Vendor-listed fixes

  • 10.0.19044.7846

  • 10.0.19045.7846

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.