CVE-2026-6302: Use after free in Video

Published Mar 24, 2026
·
Updated

Chromium: CVE-2026-6302 Use after free in Video

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 Video in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

MITRE

Credit

Syn4pse

Affected Software

7 affected componentsFixes available
Google Chrome<147.0.7727.101
147.0.7727.101
Microsoft Edge (Chromium-based)
Microsoft Edge<147.0.3912.72
All of the following
Google Chrome<147.0.7727.101
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 147.0.7727.101
  2. Upgrade

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

    Fixed in 147.0.7727.101
  3. Compensating control

    Use after free in Video vulnerability can be triggered via a crafted HTML page; limit exposure by not opening untrusted HTML pages in the affected Chromium-based browser (including Microsoft Edge) until updated.

Event History

Mar 24, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Apr 15, 2026
CVE Published
via MITRE·07:04 PM
Data Sourced
via MITRE·07:04 PM
DescriptionWeakness
Data Sourced
via NVD·08:16 PM
DescriptionSeverityWeaknessAffected Software
Apr 17, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software
Sep 11, 58265
Event
via FIRST·03:57 PM

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-6302?

CVE-2026-6302 is classified as a high severity vulnerability affecting the Video component in Google Chrome.

2

How do I fix CVE-2026-6302?

To fix CVE-2026-6302, update Google Chrome to version 147.0.7727.101 or later.

3

Which applications are affected by CVE-2026-6302?

CVE-2026-6302 affects Google Chrome versions prior to 147.0.7727.101 and Microsoft Edge (Chromium-based) versions up to 147.0.3912.72.

4

Is Microsoft Edge (Chromium-based) affected by CVE-2026-6302?

Yes, Microsoft Edge (Chromium-based) is affected by CVE-2026-6302 due to its use of the Chromium engine.

5

What are the potential impacts of CVE-2026-6302?

The potential impacts of CVE-2026-6302 include exploitation that may lead to memory corruption and arbitrary code execution.

Contact

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