CVE-2026-106403: Incorrect authorization in Accessibility

Published Jun 13, 2026
·
Updated

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

Credit

Google

Affected Software

1 affected componentFixes available
Google Chrome<155.0.8059.39
155.0.8059.39

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 155.0.8059.39

Event History

Jun 13, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Oct 6, 2026
CVE Published
via MITRE·06:41 PM
Data Sourced
via MITRE·06:41 PM
DescriptionWeakness
Data Sourced
via NVD·07:18 PM
DescriptionSeverityWeakness
Jun 16, 58737
Event
via NVD·04:27 AM

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What must an attacker achieve before exploiting this issue?

The attacker must first compromise the Chrome renderer process. They can then use a crafted HTML page to bypass site isolation.

2

Who is exposed?

Users of Google Chrome versions earlier than 155.0.8059.39 are affected if an attacker has already compromised the renderer process.

3

How can I remediate this vulnerability?

Update Google Chrome to version 155.0.8059.39 or later.

Company

Resources

Contact

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