CVE-2026-79146: Information leak in CustomTabs

Published May 29, 2026
·
Updated

Information leak in CustomTabs in Google Chrome on on Android prior to 152.0.7977.65 allowed a local attacker to obtain cross-origin data via a co-installed app. (Chromium security severity: Medium)

Credit

Google

Affected Software

2 affected componentsFixes available
Google Google Chrome (Android)<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 for Android (CustomTabs) to a version that resolves this vulnerability.

    Fixed in 152.0.7977.65

Event History

May 29, 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 exposed to this issue?

Android devices running Google Chrome before 152.0.7977.65 are exposed when a co-installed app can act as the local attacker. The issue concerns CustomTabs.

2

What access does an attacker need?

An attacker needs to have a malicious or otherwise attacker-controlled app co-installed on the Android device. The reported impact is obtaining cross-origin data through CustomTabs.

3

How can I determine whether the installed Chrome version is affected?

Check the version of Google Chrome on the Android device. Versions earlier than 152.0.7977.65 are affected; version 152.0.7977.65 or later is not identified as affected by the provided information.

Company

Resources

Contact

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