CVE-2026-79286

Analyzed Analyzed - Analysis Complete

Missing Authorization in CustomTabs in Google Chrome on Android

Publication date: 2026-08-25

Last updated on: 2026-08-27

Assigner: Chrome

Description

Missing authorization in CustomTabs in Google Chrome on on Android prior to 152.0.7977.65 allowed a local attacker to potentially execute arbitrary code outside the sandbox via a co-installed app. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-25

Last Modified

2026-08-27

Generated

2026-09-15

AI Q&A

2026-08-26

EPSS Evaluated

2026-09-14

NVD

CVE-2026-79286

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 152.0.7977.65 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

Missing authorization in CustomTabs in Google Chrome on Android prior to 152.0.7977.65 allows a local attacker to execute arbitrary code outside the sandbox via a co-installed app.

Detection Guidance

This vulnerability involves missing authorization in CustomTabs in Google Chrome on Android. Detection requires checking the Chrome version on Android devices. If the version is prior to 152.0.7977.65, the system is vulnerable. Use the command 'dumpsys package com.android.chrome | grep version' to check the installed Chrome version.

Impact Analysis

A local attacker could exploit this to run malicious code on your device, potentially stealing data or installing harmful software if you have an affected Chrome version installed.

Compliance Impact

This vulnerability does not directly specify impacts on GDPR or HIPAA compliance. However, missing authorization in CustomTabs could lead to unauthorized data access or code execution, which may violate data protection requirements under GDPR (e.g., unauthorized processing) or HIPAA (e.g., unauthorized access to protected health information).

Mitigation Strategies

Update Google Chrome on Android to version 152.0.7977.65 or later to address the missing authorization issue in CustomTabs.

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