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Microsoft Security Response CenterCVE-2026-32223

Windows USB Printing Stack (usbprint.sys) Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows USB Print Driver allows an unauthorized attacker to elevate privileges with a physical attack.

Read the vendor bulletin Get alerts for Windows Server 2025 (Server Core installation)
6.8CVSS out of 10High severity
Scope

What the vendor says is affected

  • Windows Server 2025 (Server Core installation)
  • Windows 11 Version 25H2 for ARM64-based Systems
  • Windows 11 Version 25H2 for x64-based Systems
  • Windows 11 Version 24H2 for ARM64-based Systems
  • Windows 11 Version 24H2 for x64-based Systems
  • Windows Server 2025
  • Windows 11 Version 26H1 for ARM64-based Systems
  • Windows 11 version 26H1 for x64-based Systems

Versions the vendor lists as fixed

  • 10.0.26100.32690
  • 10.0.26200.8246
  • 10.0.26100.8246
  • 10.0.28000.1836
Next step

What the vendor recommends

Install KB5082063. Install KB5083769. Install KB5083768.

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2026-32223View CVSS, KEV, EPSS, and threat context
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