CVE-2026-106291: Use after free in GarbageCollection

Published Apr 4, 2026
·
Updated

Chromium CVE-2026-106291: 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 GarbageCollection 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: Medium)

— NVD

Credit

Google

Affected Software

3 affected componentsFixes available
Google Chrome<155.0.8059.39
155.0.8059.39
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 155.0.8059.39
  2. Upgrade

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

    Fixed in 155.0.4283.45
  3. Upgrade

    Upgrade Google Chrome to a version that resolves this vulnerability.

    Fixed in 155.0.8059.39

Event History

Apr 4, 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
Oct 16, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Which Chrome installations are affected?

Google Chrome versions earlier than 155.0.8059.39 are affected. Installations running 155.0.8059.39 or later are not identified as affected by the provided information.

2

What does an attacker need to exploit this issue?

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

3

How can I determine whether a system needs remediation?

Check the installed Google Chrome version. Systems with a version earlier than 155.0.8059.39 should be treated as affected and updated to at least that version.

Company

Resources

Contact

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