CVE-2026-16420: Type Confusion in WebAudio

Published Jun 26, 2026
·
Updated

Chromium: CVE-2026-16420 Type Confusion in WebAudio

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

Type Confusion in WebAudio in Google Chrome prior to 150.0.7871.182 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

MITRE

Credit

Found by XBOW, triaged by Brendan Dolan-Gavitt

Affected Software

5 affected componentsFixes available
Google Chrome<150.0.7871.182
Google Chrome<150.0.7871.181
150.0.7871.181
Microsoft Edge<150.0.4078.96
Microsoft Edge (Chromium-based)<150.0.4078.96
150.0.4078.96
Google Chrome<150.0.7871.182

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 150.0.7871.181
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 150.0.4078.96
  3. Upgrade

    Upgrade Google Chrome/Chromium-based Microsoft Edge to a version that resolves this vulnerability.

    Fixed in 150.0.7871.182

Event History

Jun 26, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Jul 21, 2026
CVE Published
via MITRE·10:04 PM
Data Sourced
via MITRE·10:04 PM
DescriptionWeakness
Data Sourced
via NVD·11:16 PM
DescriptionSeverityWeaknessAffected Software
Jul 24, 2026
Data Sourced
via Microsoft·06:41 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·06:41 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2026-16420?

The severity of CVE-2026-16420 is rated as High.

2

How do I fix CVE-2026-16420?

To fix CVE-2026-16420, update Google Chrome to version 150.0.7871.182 or later.

3

What does CVE-2026-16420 exploit?

CVE-2026-16420 exploits a Type Confusion vulnerability in WebAudio in Google Chrome.

4

Can CVE-2026-16420 allow an attacker to execute code?

Yes, CVE-2026-16420 allows a remote attacker to execute arbitrary code inside a sandbox.

5

Which versions of Google Chrome are affected by CVE-2026-16420?

CVE-2026-16420 affects Google Chrome versions prior to 150.0.7871.182.

Contact

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