CVE-2026-5280: High Use after free in WebCodecs

Published Mar 11, 2026
·
Updated

Chromium: CVE-2026-5280 Use after free in WebCodecs

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 WebCodecs in Google Chrome prior to 146.0.7680.178 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

— NVD

Credit

heapracer@@heapracer

Affected Software

10 affected componentsFixes available
Google Google Chrome<146.0.7680.178
Microsoft Edge (Chromium-based)
Patch available
Microsoft Edge<146.0.3856.97
All of the following
Google Chrome<146.0.7680.177
Any of the following
Apple macOS
Linux Linux kernel
Microsoft Windows
alpine/qt6-qtwebengine<6.10.1-r14
6.10.1-r14
alpine/qt6-qtwebengine<6.10.2-r13
6.10.2-r13
debian/chromium
150.0.7871.100-1~deb12u1156.0.8078.79-1~deb12u1150.0.7871.181-1~deb13u1156.0.8078.79-1~deb13u1156.0.8078.79-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade alpine/qt6-qtwebengine to a version that resolves this vulnerability.

    Fixed in 6.10.1-r14
  2. Upgrade

    Upgrade alpine/qt6-qtwebengine to a version that resolves this vulnerability.

    Fixed in 6.10.2-r13
  3. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 150.0.7871.100-1~deb12u1Fixed in 156.0.8078.79-1~deb12u1Fixed in 150.0.7871.181-1~deb13u1Fixed in 156.0.8078.79-1~deb13u1Fixed in 156.0.8078.79-1
  4. Upgrade

    Upgrade Google Chrome to a version that resolves this vulnerability.

    Fixed in 146.0.7680.178

Event History

Apr 1, 2026
CVE Published
via MITRE·04:41 AM
Data Sourced
via MITRE·04:41 AM
DescriptionWeakness
Data Sourced
via NVD·05:16 AM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·05:16 AM
DescriptionSeverityAffected Software
Apr 3, 2026
Data Sourced
via Microsoft·01:46 AM
DescriptionSeverityWeaknessAffected Software
May 11, 2026
Data Sourced
12:00 AM
SeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2026-5280?

The severity of CVE-2026-5280 is classified as High.

2

How do I fix CVE-2026-5280?

To fix CVE-2026-5280, update Google Chrome to version 146.0.7680.178 or later.

3

What type of vulnerability is CVE-2026-5280?

CVE-2026-5280 is a use after free vulnerability in WebCodecs of Google Chrome.

4

Can CVE-2026-5280 allow remote code execution?

Yes, CVE-2026-5280 allows a remote attacker to execute arbitrary code inside a sandbox.

5

In which product is CVE-2026-5280 found?

CVE-2026-5280 is found in Google Chrome prior to version 146.0.7680.178.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203