CVE-2026-79086: Missing authorization in CustomTabs

Published May 10, 2026
·
Updated

Missing authorization in CustomTabs in Google Chrome on on Android prior to 152.0.7977.65 allowed a local attacker to obtain sensitive information 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 (Android) — CustomTabs to a version that resolves this vulnerability.

    Fixed in 152.0.7977.65

Event History

May 10, 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 Google Chrome before 152.0.7977.65 are exposed if a local attacker can get a malicious app co-installed on the device. The issue is described as affecting Chrome CustomTabs.

2

What does an attacker need to exploit it?

The attacker needs local access through a co-installed app on the Android device. The available information does not indicate that remote exploitation alone is sufficient.

3

What could an attacker obtain?

A successful exploit could allow the local attacker to obtain sensitive information. The provided information does not specify what categories of sensitive information are exposed.

4

How can I determine whether an installation is affected?

Check the Google Chrome version 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 data.

Company

Resources

Contact

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