CVE-2026-106194: Missing authorization in WebAppInstalls

Published Apr 1, 2026
·
Updated

Missing authorization in WebAppInstalls in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

Credit

Google

Affected Software

1 affected componentFixes available
Google Chrome<155.0.8059.39
155.0.8059.39

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 Google Chrome to a version that resolves this vulnerability.

    Fixed in 155.0.8059.39

Event History

Apr 1, 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·07:17 PM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Which Chrome versions are affected?

Google Chrome versions prior to 155.0.8059.39 are affected.

2

What must an attacker do to exploit this issue?

The attacker must first compromise the Chrome renderer process and then use social engineering to induce interaction with a crafted HTML page. The issue can then potentially be used to execute arbitrary code outside the sandbox.

3

Does exploitation require an authenticated Chrome user or local access?

No authenticated privileges or local access are indicated by the CVSS vector. However, user interaction is required, and the attacker must already have compromised the renderer process.

Company

Resources

Contact

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