Out-of-Bounds Read in Windows USB Hub Driver

Publication date: 2026-09-08

Last updated on: 2026-09-08

Assigner: Microsoft Corporation

Description

Out-of-bounds read in Windows USB Hub Driver allows an unauthorized attacker to elevate privileges with a physical attack.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-08

Last Modified

2026-09-08

Generated

2026-09-09

AI Q&A

2026-09-09

EPSS Evaluated

N/A

NVD

CVE-2026-72999

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_usb_hub_driver	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This is an out-of-bounds read vulnerability in the Windows USB Hub Driver. It allows an unauthorized attacker to elevate their privileges by exploiting a physical attack vector. The vulnerability occurs when the driver reads memory outside its intended bounds, potentially exposing sensitive data or enabling privilege escalation.

Impact Analysis

An attacker with physical access could exploit this to gain elevated privileges on your system. This could allow them to install malware, access sensitive data, or take control of your device. The impact is significant due to the combination of confidentiality, integrity, and availability risks.

Mitigation Strategies

Apply the latest Windows security updates from Microsoft to patch the USB Hub Driver vulnerability. Disable unused USB ports if physical access control is a concern.

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