CVE-2026-106349: Use after free in V8 on 2026-09-29

Published Oct 6, 2026
·
Updated

Chromium CVE-2026-106349: 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 V8 in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code inside 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·07:18 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

What Chrome versions need to be updated?

Google Chrome versions prior to 155.0.8059.39 are affected. Update to 155.0.8059.39 or a later version.

2

What does an attacker need to exploit this issue?

The attacker can be remote and does not need privileges, but exploitation requires a user to interact with a crafted HTML page. Successful exploitation can execute arbitrary code inside the Chrome sandbox.

3

Are confidentiality, integrity, and availability at risk?

Yes. The supplied CVSS vector rates confidentiality, integrity, and availability impacts as high, although the described code execution is limited to the sandbox.

Company

Resources

Contact

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