CVE-2026-32223: Windows USB Printing Stack (usbprint.sys) Elevation of Privilege Vulnerability

Overview

Severity

Medium (CVSS 6.8)

CVSS Vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2026-Apr

Released

2026-04-14

Description

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

FAQ

What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

Affected Products (8)

Windows

• Windows Server 2025 (Server Core installation)
• Windows 11 Version 25H2 for ARM 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

Security Updates (3)

• 5082063
• 5083769
• 5083768

Acknowledgments

Dongjun Kim (smiljun), working with ENKI Whitehat, <a href="https://x.com/h4urek">hao huang</a> with <a href="https://secsys.fudan.edu.cn/">Fudan University secsys lab</a>, <a href="https://x.com/_patchpoint_">Donghyeon Oh</a> with <a href="https://patchpoint.io/">Patchpoint</a>, Jonghoi Kim, Dongjun Kim (smiljun), working with ENKI Whitehat

Revision History

• 2026-04-14: Information published.