CVE-2026-106227: Use after free in Core on 2026-09-15

Published Oct 6, 2026
·
Updated

Chromium CVE-2026-106227: Use after free

Other sources

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

— Microsoft

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

— MITRE

Affected Software

2 affected componentsFixes available
Google Chrome<155.0.8059.39
Microsoft Edge (Chromium-based)<155.0.4283.45
155.0.4283.45

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 155.0.4283.45
  2. Upgrade

    Upgrade Google Chrome to a version that resolves this vulnerability.

    Fixed in 155.0.8059.39

Event History

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
Oct 16, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Oct 20, 2026
Data Sourced
12:00 AM
SeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Who is exposed to this vulnerability?

Users of Google Chrome versions earlier than 155.0.8059.39 are affected. Exploitation can be triggered remotely through a crafted HTML page, so users who browse attacker-controlled or compromised web content are in scope.

2

Does exploitation require authentication or user interaction?

The CVSS vector indicates no privileges are required by the attacker, but user interaction is required. The described delivery method is a crafted HTML page, which implies the victim must interact with attacker-provided web content.

3

What is the impact if exploitation succeeds?

A remote attacker could execute arbitrary code outside Chrome's sandbox. The CVSS assessment indicates high impacts to confidentiality, integrity, and availability.

4

What should be done to remediate the issue?

Update Google Chrome to version 155.0.8059.39 or later. The provided information does not describe an alternative mitigation for systems that cannot yet be updated.

Company

Resources

Contact

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