CVE-2026-106389

Analyzed Analyzed - Analysis Complete

Incorrect Authorization in USB for Google Chrome

Publication date: 2026-10-06

Last updated on: 2026-10-09

Assigner: Chrome

Description

Incorrect authorization in USB in Google Chrome prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted Chrome extension. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-06

Last Modified

2026-10-09

Generated

2026-10-19

AI Q&A

2026-10-06

EPSS Evaluated

2026-10-18

NVD

CVE-2026-106389

EUVD

EUVD-2026-93693

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 155.0.8059.39 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-863	The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

Executive Summary

This vulnerability involves incorrect authorization in USB handling within Google Chrome versions before 155.0.8059.39. A remote attacker could exploit this by tricking a user into installing a malicious Chrome extension, which would then bypass system access restrictions.

Detection Guidance

This vulnerability involves incorrect authorization in USB handling in Google Chrome. To detect it, check Chrome version against 155.0.8059.39 or later. Use chrome://version/ in Chrome to view version. If below 155.0.8059.39, update Chrome immediately. Inspect installed extensions for unrecognized or suspicious ones via chrome://extensions.

Impact Analysis

If exploited, this vulnerability could allow an attacker to gain unauthorized access to your system through a crafted Chrome extension, potentially leading to data theft, malware installation, or further compromise of your device.

Compliance Impact

This vulnerability involves incorrect authorization in USB handling in Google Chrome, which could allow a remote attacker to bypass system access restrictions via a crafted extension. This may lead to unauthorized data access or modification, potentially violating GDPR (data protection) or HIPAA (health data privacy) compliance if sensitive information is exposed.

Mitigation Strategies

Update Google Chrome to version 155.0.8059.39 or later to address the authorization bypass in USB handling.

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