CVE-2026-32223
Heap-Based Buffer Overflow in Windows USB Print Driver Elevates Privileges
Publication date: 2026-04-14
Last updated on: 2026-04-17
Assigner: Microsoft Corporation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| 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 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(). |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
What immediate steps should I take to mitigate this vulnerability?
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.