CVE-2026-76023: High Improper resource control in Linux Toolkit Theming

Published Aug 20, 2026
·
Updated

Chromium CVE-2026-76023: Improper resource control in Linux Toolkit Theming

Other sources

Improper resource control in Linux Toolkit Theming in Google Chrome prior to 151.0.7922.173 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

MITRE

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

Affected Software

3 affected componentsFixes available
Google Chrome<151.0.7922.173
Microsoft Edge<151.0.4129.107
Microsoft Edge (Chromium-based)<151.0.4129.107
151.0.4129.107

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 151.0.4129.107
  2. Upgrade

    Upgrade Google Chrome/Chromium (Linux Toolkit Theming) to a version that resolves this vulnerability.

    Fixed in 151.0.7922.173
  3. Compensating control

    Because Microsoft Edge (Chromium-based) ingests Chromium, ensure Edge is updated to address the Chromium issue (Chromium CVE-2026-76023) and mitigate arbitrary code execution outside the sandbox from a compromised renderer process.

Event History

Aug 20, 2026
CVE Published
via MITRE·08:51 PM
Data Sourced
via MITRE·08:51 PM
DescriptionWeakness
Data Sourced
via NVD·09:17 PM
DescriptionSeverityWeaknessAffected Software
Aug 27, 2026
Data Sourced
12:00 AM
SeverityWeakness
Sep 12, 2026
Data Sourced
via Microsoft·01:02 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·01:02 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

Which product is identified as affected?

The record identifies Google Chrome from Google. No affected or fixed version numbers are provided.

2

Is a vendor update reference available?

Yes. The record references a Google Chrome Stable Channel Update for Desktop published on 2026-08-11.

Contact

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