CVE-2026-11203: Policy bypass in GPU

Published Apr 22, 2026
·
Updated

Chromium: CVE-2026-11203 Policy bypass in GPU

Other sources

Inappropriate implementation in GPU in Google Chrome on Mac prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

— 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

Credit

Google

Affected Software

5 affected componentsFixes available
Google Chrome<149.0.7827.53
149.0.7827.53
All of the following
Google Chrome<149.0.7827.53
Apple macOS
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
  4. Compensating control

    Ensure Microsoft Edge (Chromium-based) is updated to a build that includes the Chromium fix (i.e., update Edge to receive the Chromium 149.0.7827.53 remediation).

Event History

Apr 22, 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-2026-11203?

CVE-2026-11203 has a medium severity rating of 6.5 according to the CVSS scoring system.

2

How do I fix CVE-2026-11203?

To fix CVE-2026-11203, you should update Google Chrome or Microsoft Edge to the latest version that addresses this vulnerability.

3

What type of vulnerability is CVE-2026-11203?

CVE-2026-11203 is classified as an infoleak vulnerability due to a policy bypass in the GPU.

4

Which platforms are affected by CVE-2026-11203?

CVE-2026-11203 affects Google Chrome on Mac and Microsoft Edge that is based on Chromium.

5

What can an attacker achieve with CVE-2026-11203?

An attacker can leak cross-origin data via a crafted HTML page due to the inappropriate implementation in the GPU.

Company

Resources

Contact

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