CVE-2026-79152: Incorrect authorization in CustomTabs

Published Jul 9, 2026
·
Updated

Incorrect authorization in CustomTabs in Google Chrome on on Android prior to 152.0.7977.65 allowed a local attacker to bypass web origin policy via a co-installed app. (Chromium security severity: Low)

Credit

Google

Affected Software

2 affected componentsFixes available
Google Google Chrome<152.0.7977.65
Google Chrome<152.0.7977.64
152.0.7977.64

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 152.0.7977.64
  2. Upgrade

    Upgrade Google Chrome (Android) - CustomTabs to a version that resolves this vulnerability.

    Fixed in 152.0.7977.65

Event History

Jul 9, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Aug 25, 2026
CVE Published
via MITRE·08:10 PM
Data Sourced
via MITRE·08:10 PM
DescriptionWeakness
Data Sourced
via NVD·09:18 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Who is realistically exposed to this issue?

Android devices running a Google Chrome version earlier than 152.0.7977.65 are affected. Exploitation requires a co-installed local app, so exposure depends on whether an attacker-controlled app can be installed on the device.

2

What does an attacker need to exploit the vulnerability?

The attacker needs local access through a co-installed app on the Android device. The issue allows that app to bypass the web origin policy through CustomTabs.

3

What version addresses the issue?

Google Chrome 152.0.7977.65 addresses the issue. Devices should be updated from any earlier Android Chrome version.

Company

Resources

Contact

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