CVE-2026-11230: Use after free in Extensions

Published Mar 16, 2026
·
Updated

Chromium: CVE-2026-11230 Use after free in Extensions

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 Extensions in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Low)

— NVD

Credit

Google

Affected Software

7 affected componentsFixes available
Google Chrome<149.0.7827.53
149.0.7827.53
Microsoft Edge (Chromium-based)
Patch available
Microsoft Edge<149.0.4022.52
All of the following
Google Chrome<149.0.7827.53
Any of the following
Apple macOS
Linux Linux kernel
Microsoft Windows

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 149.0.7827.53
  2. Upgrade

    Upgrade Google Chrome to a version that resolves this vulnerability.

    Fixed in 149.0.7827.53
  3. Compensating control

    Ensure Microsoft Edge (Chromium-based) is updated to a build that ingests the Chromium fix (i.e., includes Chromium 149.0.7827.53). If immediate update is not possible, limit exposure to untrusted web content via network controls or application isolation until the browser can be updated.

Event History

Mar 16, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Jun 4, 2026
CVE Published
via MITRE·11:05 PM
Data Sourced
via MITRE·11:05 PM
DescriptionWeakness
Data Sourced
via NVD·11:17 PM
DescriptionSeverityWeaknessAffected Software
Jun 5, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2026-11230?

CVE-2026-11230 has a high severity rating of 8.8 on the CVSS scale.

2

How do I fix CVE-2026-11230?

To fix CVE-2026-11230, update Google Chrome or Microsoft Edge to the latest version available.

3

What is CVE-2026-11230?

CVE-2026-11230 is a vulnerability that involves a use after free issue in Extensions within Google Chrome and Microsoft Edge.

4

Which software is affected by CVE-2026-11230?

CVE-2026-11230 affects Google Chrome and Microsoft Edge (Chromium-based).

5

When was CVE-2026-11230 published?

CVE-2026-11230 was published on March 16, 2026.

Company

Resources

Contact

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