CVE-2026-106307

Analyzed Analyzed - Analysis Complete

Incorrect Authorization Bypass in Google Chrome

Publication date: 2026-10-06

Last updated on: 2026-10-08

Assigner: Chrome

Description

Incorrect authorization in Network in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-06

Last Modified

2026-10-08

Generated

2026-10-19

AI Q&A

2026-10-07

EPSS Evaluated

2026-10-18

NVD

CVE-2026-106307

EUVD

EUVD-2026-93756

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 is an incorrect authorization issue in Google Chrome's Network component. It allows a remote attacker who has already compromised the renderer process to bypass system access restrictions by using a specially crafted HTML page.

Detection Guidance

This vulnerability involves incorrect authorization in Google Chrome's Network component. Detection typically requires checking the Chrome version and monitoring for unusual renderer process activity. Since this is a browser-based vulnerability, network-level detection may not be straightforward. Verify Chrome version with commands like 'google-chrome --version' or 'chromium-browser --version' and ensure it is updated to 155.0.8059.39 or later.

Impact Analysis

If exploited, this vulnerability could allow an attacker to bypass security restrictions on your system. This might enable them to access sensitive data or perform unauthorized actions, but only if they have already compromised the renderer process.

Compliance Impact

This vulnerability involves incorrect authorization in Google Chrome that could allow a remote attacker to bypass system access restrictions via a crafted HTML page. While the description does not explicitly link this to compliance standards, such unauthorized access could potentially lead to data breaches, which may impact compliance with GDPR, HIPAA, or other regulations depending on the context of use.

Mitigation Strategies

Update Google Chrome to version 155.0.8059.39 or later to address the incorrect authorization issue in the Network component.

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