CVE-2026-10946: Heap buffer overflow in Media

Published Apr 20, 2026
·
Updated

Chromium: CVE-2026-10946 Heap buffer overflow in Media

Other sources

Heap buffer overflow in Media in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

— NVD

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

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 Chromium/Google Chrome to a version that resolves this vulnerability.

    Fixed in 149.0.7827.53
  3. Compensating control

    Because Chromium-based Microsoft Edge ingests Chromium, ensure Edge is updated to a build that includes Chromium changes fixing CVE-2026-10946; until updated, avoid having users engage in specific UI gestures from untrusted/crafted HTML pages.

Event History

Apr 20, 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-2026-10946?

CVE-2026-10946 has a high severity rating of 7.5 based on the CVSS v3.1 scoring.

2

How do I fix CVE-2026-10946?

To mitigate CVE-2026-10946, update Google Chrome or Microsoft Edge to version 149.0.7827.53 or later.

3

What type of vulnerability is CVE-2026-10946?

CVE-2026-10946 is a heap buffer overflow vulnerability in the media handling component of Chromium-based browsers.

4

What can an attacker achieve with CVE-2026-10946?

An attacker can execute arbitrary code within a sandbox environment if the user performs specific UI gestures on a crafted web page.

5

Which software is affected by CVE-2026-10946?

CVE-2026-10946 affects Google Chrome prior to version 149.0.7827.53 and Microsoft Edge (Chromium-based) before the respective patch.

Company

Resources

Contact

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