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CVE-2026-32223

MediumPublished

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

Published: Apr 14, 2026
Updated: Aug 14, 2026
Assigning CNA: microsoft
Evidence observed: Aug 25, 2026

Primary CVSS

6.8/ 10Medium

nvd · CVSS 3.1

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

EPSS probability estimate

0.5%

Low · next 30 days

Percentile: 43.1%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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

Sources

CVE-2026-32223-USBPrint-ExploitExploit
Proof-of-concept exploit for CVE-2026-32223, a heap-based buffer overflow in Windows USB print driver (usbprint.sys), achieving local privilege escalation to SYSTEM via USB device emulation and pool manipulation.

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