CVE-2026-11262: Use after free in TabStrip

Published Apr 3, 2026
·
Updated

Chromium: CVE-2026-11262 Use after free in TabStrip

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 TabStrip in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code 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
All of the following
Google Chrome<149.0.7827.53
Any of the following
Apple macOS
Linux Linux kernel
Microsoft Windows
Microsoft Edge (Chromium-based)
Patch available
Microsoft Edge<149.0.4022.52

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. Upgrade

    Upgrade Chromium to a version that resolves this vulnerability.

    Fixed in 149.0.7827.53

Event History

Apr 3, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Jun 4, 2026
CVE Published
via MITRE·11:06 PM
Data Sourced
via MITRE·11:06 PM
DescriptionWeakness
Jun 5, 2026
Data Sourced
via NVD·12:17 AM
DescriptionSeverityWeaknessAffected Software
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 CVE-2026-11262?

CVE-2026-11262 is a use after free vulnerability in the TabStrip of Google Chrome and Microsoft Edge that can potentially allow an attacker to exploit the memory safety issue.

2

What is the severity of CVE-2026-11262?

CVE-2026-11262 has a high severity rating of 8.8 according to the CVSS 3.1 scoring system.

3

How do I fix CVE-2026-11262?

To mitigate CVE-2026-11262, you should update Google Chrome to version 149.0.7827.53 or higher, or update Microsoft Edge to the latest version available.

4

What software is affected by CVE-2026-11262?

CVE-2026-11262 affects Google Chrome and Microsoft Edge that are based on the Chromium engine.

5

When was CVE-2026-11262 published?

CVE-2026-11262 was published on April 3, 2026.

Company

Resources

Contact

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