CVE-2026-10996: Inappropriate implementation in Workers

Published Dec 23, 2024
·
Updated

Chromium: CVE-2026-10996 Inappropriate implementation in Workers

Other sources

Inappropriate implementation in Workers in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)

— MITRE

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

Jayateertha Guruprasad

Affected Software

4 affected componentsFixes available
Google Chrome<149.0.7827.53
149.0.7827.53
Google Chrome<149.0.7827.53
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 Google Chrome / Chromium-based browser (including Microsoft Edge) to a version that resolves this vulnerability.

    Fixed in 149.0.7827.53Patch CVE-2026-10996

Event History

Dec 23, 2024
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Jun 4, 2026
CVE Published
via MITRE·11:04 PM
Data Sourced
via MITRE·11:04 PM
DescriptionWeakness
Data Sourced
via NVD·11:17 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-2026-10996?

CVE-2026-10996 has a medium severity rating of 6.5 according to the CVSS 3.1 score.

2

How do I fix CVE-2026-10996?

To mitigate CVE-2026-10996, update Google Chrome or Microsoft Edge to version 149.0.7827.53 or later.

3

What impact does CVE-2026-10996 have on my browser security?

CVE-2026-10996 could allow a remote attacker to bypass the same origin policy through a crafted HTML page.

4

Which software versions are affected by CVE-2026-10996?

CVE-2026-10996 affects Google Chrome prior to version 149.0.7827.53 and Microsoft Edge based on Chromium.

5

When was CVE-2026-10996 published?

CVE-2026-10996 was published on December 23, 2024.

Company

Resources

Contact

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