CVE-2026-106269: Use after free in CSS on 2026-09-24

Published Oct 6, 2026
·
Updated

Chromium CVE-2026-106269: 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 CSS 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: Low)

— NVD

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/Chromium 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

What must an attacker do to exploit this issue?

The attacker can target Chrome remotely with a crafted HTML page. No attacker privileges are required, but user interaction is required.

2

Which Chrome versions are affected?

Google Chrome versions earlier than 155.0.8059.39 are affected. Update to 155.0.8059.39 or later.

3

Does successful exploitation provide code execution outside the browser sandbox?

The available information states that arbitrary code execution occurs inside the Chrome sandbox. It does not state that the issue enables a sandbox escape.

Company

Resources

Contact

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