Heap-based Buffer Overflow in Windows USB Video Driver

Publication date: 2026-09-08

Last updated on: 2026-09-24

Assigner: Microsoft Corporation

Description

Heap-based buffer overflow in Windows USB Video Driver allows an authorized attacker to elevate privileges over a network.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-08

Last Modified

2026-09-24

Generated

2026-09-29

AI Q&A

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-69423

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_usb_video_driver	*

Helpful Resources

Exploitability

CWE

KEV

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

Executive Summary

This is a heap-based buffer overflow vulnerability in the Windows USB Video Driver. It allows an authorized attacker to elevate privileges over a network by exploiting a flaw that causes the driver to mishandle memory operations.

Impact Analysis

An attacker could exploit this to gain higher privileges on your system, potentially allowing them to install malicious software, access sensitive data, or perform unauthorized actions. The attack can be executed remotely over a network if the vulnerable driver is exposed.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Windows USB Video Driver. Disable unnecessary USB video device access over the network if not required. Monitor network traffic for unusual activity related to USB video drivers.

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