CVE-2026-106211: Use after free in TabStrip

Published Sep 15, 2026
·
Updated

Use after free in TabStrip in Google Chrome prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

Credit

Google

Affected Software

2 affected componentsFixes available
Google Chrome<155.0.8059.39
155.0.8059.39
Google Chrome<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

Sep 15, 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·07:17 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What does an attacker need to exploit this issue?

An attacker can use a crafted HTML page and must rely on social engineering to get a user to interact with it. The CVSS vector indicates no privileges are required and the attack can be delivered over the network.

2

What is the potential impact if exploitation succeeds?

Successful exploitation could allow arbitrary code execution outside the Chrome sandbox. The reported impact includes high confidentiality, integrity, and availability consequences.

3

Which Chrome versions should be treated as affected?

Google Chrome versions earlier than 155.0.8059.39 are affected. Updating to 155.0.8059.39 or later addresses the affected version range described.

Company

Resources

Contact

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