PT-2026-32866 · Microsoft · Windows Usb Print Driver+1

Donghyeon Oh + 6 · Published 2026-04-14 · Updated 2026-04-27 · CVE-2026-32223

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Windows USB Print Driver versions prior to April 2026

Description A heap-based buffer overflow in the Windows USB Printing Stack usbprint.sys allows an unauthorized attacker to elevate privileges. This issue can be exploited through a physical attack.

Recommendations Update to the version released in April 2026.

Fix

DoS

LPE

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

BDU:2026-05294

CVE-2026-32223

Affected Products

Windows

Windows Usb Print Driver

References · 15

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32223 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-32223 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-32223 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-32223 · Security Note
• https://bdu.fstec.ru/vul/2026-05294 · Security Note
• https://twitter.com/NullSecurityX/status/2047918974768234524 · Twitter Post
• https://twitter.com/xfeylesof/status/2047920543181967863 · Twitter Post
• https://twitter.com/_patchpoint_/status/2044352435754606761 · Twitter Post
• https://vicarius.io/vsociety/posts/cve-2026-32223-mitigation-script-heap-based-buffer-overflow-in-windows-usb-print-driver · Note
• https://twitter.com/DarkWebInformer/status/2047733510178324697 · Twitter Post
• https://twitter.com/ENKI_official_X/status/2048598392385986972 · Twitter Post
• https://vicarius.io/vsociety/posts/cve-2026-32223-detection-script-heap-based-buffer-overflow-in-windows-usb-print-driver · Note
• https://twitter.com/zeifan/status/2047978455405322737 · Twitter Post
• https://twitter.com/NullSecurityX/status/2047918495308910881 · Twitter Post
• https://twitter.com/CVEnew/status/2045112933169189323 · Twitter Post