CVE-2026-79152

Analyzed Analyzed - Analysis Complete

Incorrect Authorization in Google Chrome CustomTabs on Android

Publication date: 2026-08-25

Last updated on: 2026-08-27

Assigner: Chrome

Description

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)

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

2026-09-13

NVD

CVE-2026-79152

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-863	The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

Executive Summary

This vulnerability involves incorrect authorization in CustomTabs in Google Chrome on Android. A local attacker could exploit it by using a co-installed app to bypass the web origin policy, potentially allowing unauthorized access to sensitive data or actions.

Detection Guidance

This vulnerability is specific to Google Chrome on Android and involves incorrect authorization in CustomTabs. Detection would require checking the installed Chrome version on Android devices. If the version is prior to 152.0.7977.65, the system is vulnerable. No specific commands are provided in the context for detection.

Impact Analysis

If you use Google Chrome on Android, a malicious app installed on your device could exploit this flaw to bypass security restrictions. This might lead to unauthorized access to your browsing data or interactions with websites without your knowledge.

Compliance Impact

This vulnerability involves incorrect authorization in CustomTabs in Google Chrome on Android, allowing a local attacker to bypass web origin policy via a co-installed app. It does not directly impact compliance with standards like GDPR or HIPAA, as those focus on data protection and privacy rather than authorization bypasses in browser components.

Mitigation Strategies

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

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