CVE-2026-106391: Incorrect authorization in WebShare

Published Jun 10, 2026
·
Updated

Chromium CVE-2026-106391: Incorrect authorization

Other sources

Incorrect authorization in WebShare in Google Chrome on on Android prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)

— NVD

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<155.0.8059.39
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

Jun 10, 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
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Which installations are affected?

Google Chrome on Android versions earlier than 155.0.8059.39 are affected.

2

What does an attacker need to exploit this issue?

The attacker must already have compromised the renderer process and must use a crafted HTML page. No attacker privileges are required, but user interaction is required.

3

What is the expected security impact?

Successful exploitation can spoof UI elements and may result in limited confidentiality and availability impact. Integrity impact is not indicated by the supplied CVSS vector.

Company

Resources

Contact

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