CVE-2026-106396: Improper input validation in Omnibox

Published Aug 25, 2026
·
Updated

Chromium CVE-2026-106396: Improper input validation

Other sources

Improper input validation in Omnibox in Google Chrome on on Android prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)

— 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

Google

Affected Software

4 affected componentsFixes available
Google Chrome<155.0.8059.39
155.0.8059.39
All of the following
Google Chrome<155.0.8059.79
Google Android
Microsoft Edge (Chromium-based)<155.0.4283.45
155.0.4283.45

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 155.0.8059.39
  2. Upgrade

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

    Fixed in 155.0.4283.45
  3. Upgrade

    Upgrade Google Chrome on Android to a version that resolves this vulnerability.

    Fixed in 155.0.8059.39

Event History

Aug 25, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Oct 6, 2026
CVE Published
via MITRE·06:41 PM
Data Sourced
via MITRE·06:41 PM
DescriptionWeakness
Data Sourced
via NVD·07:18 PM
DescriptionSeverityWeaknessAffected Software
Oct 16, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Which deployments are affected?

Google Chrome on Android is affected when running a version earlier than 155.0.8059.39.

2

What does an attacker need to exploit this issue?

The attacker must use a crafted HTML page and rely on social engineering. The issue can then be used to bypass the web origin policy.

3

How can I determine whether a device is affected?

Check the installed Google Chrome version on Android. Versions prior to 155.0.8059.39 are affected.

Company

Resources

Contact

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