SB2026041588 - Privilege escalation in Microsoft Windows USB Printing Stack (usbprint.sys)



SB2026041588 - Privilege escalation in Microsoft Windows USB Printing Stack (usbprint.sys)

Published: April 15, 2026

Security Bulletin ID SB2026041588
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2026-32223)

The vulnerability allows a local attacker to escalate privileges on the target system.

The vulnerability exists due to a boundary error in Windows USB Printing Stack (usbprint.sys). An attacker with physical access can trigger a heap-based buffer overflow and gain elevated privileges on the target system.


Remediation

Install update from vendor's website.