CVE-2026-32223
Modified Modified - Updated After Analysis
Heap-Based Buffer Overflow in Windows USB Print Driver Elevates Privileges

Publication date: 2026-04-14

Last updated on: 2026-05-26

Assigner: Microsoft Corporation

Description
Heap-based buffer overflow in Windows USB Print Driver allows an unauthorized attacker to elevate privileges with a physical attack.
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Meta Information
Published
2026-04-14
Last Modified
2026-05-26
Generated
2026-06-16
AI Q&A
2026-04-14
EPSS Evaluated
2026-06-15
NVD
CVE-2026-32223
EUVD
EUVD-2026-22611
Affected Vendors & Products
Showing 7 associated CPEs
Vendor Product Version / Range
microsoft windows_11_24h2 to 10.0.26100.8246 (exc)
microsoft windows_11_24h2 to 10.0.26100.8246 (exc)
microsoft windows_11_25h2 to 10.0.26200.8246 (exc)
microsoft windows_11_25h2 to 10.0.26200.8246 (exc)
microsoft windows_11_26h1 to 10.0.28000.1836 (exc)
microsoft windows_11_26h1 to 10.0.28000.1836 (exc)
microsoft windows_server_2025 to 10.0.26100.32690 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-122 A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
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Executive Summary

This vulnerability is a heap-based buffer overflow found in the Windows USB Print Driver. It allows an unauthorized attacker who has physical access to the system to exploit the flaw and elevate their privileges.

Impact Analysis

The vulnerability can lead to an attacker gaining higher privileges on the affected system without authorization. This means the attacker could potentially execute malicious actions with elevated rights, compromising the confidentiality, integrity, and availability of the system.

Mitigation Strategies

This vulnerability requires a physical attack to exploit, as it involves a heap-based buffer overflow in the Windows USB Print Driver.

To mitigate this vulnerability, restrict physical access to affected systems and ensure that only trusted USB devices are connected.

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