CVE-2026-10926: Use after free in Cast

Published Apr 6, 2026
·
Updated

Chromium: CVE-2026-10926 Use after free in Cast

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 Cast in Google Chrome prior to 149.0.7827.53 allowed an attacker on the local network segment to execute arbitrary code via malicious network traffic. (Chromium security severity: High)

— 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 Chromium (Cast) to a version that resolves this vulnerability.

    Fixed in 149.0.7827.53
  3. Compensating control

    Until Chromium is updated, restrict network access from untrusted hosts on the local network segment that could send malicious Cast traffic (e.g., limit/segment traffic to trusted networks/clients).

Event History

Apr 6, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Jun 4, 2026
CVE Published
via MITRE·11:03 PM
Data Sourced
via MITRE·11:03 PM
DescriptionWeakness
Data Sourced
via NVD·11:16 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-2026-10926?

The severity of CVE-2026-10926 is rated as high with a CVSS score of 8.8.

2

How do I fix CVE-2026-10926?

To fix CVE-2026-10926, update Google Chrome to version 149.0.7827.53 or later.

3

What is the vulnerability type for CVE-2026-10926?

CVE-2026-10926 is a Use After Free vulnerability in the Cast component of Chromium.

4

Which software is affected by CVE-2026-10926?

CVE-2026-10926 affects Google Chrome and Microsoft Edge (Chromium-based) browsers.

5

Why is CVE-2026-10926 considered critical?

CVE-2026-10926 is considered critical due to its potential to allow attackers to exploit memory misuse, leading to the possibility of remote code execution.

Company

Resources

Contact

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