Missing Authorization in CustomTabs in Google Chrome on Android

Publication date: 2026-08-25

Last updated on: 2026-08-25

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:
Percentile:

Meta Information

Published

2026-08-25

Last Modified

2026-08-25

Generated

2026-08-26

AI Q&A

2026-08-26

EPSS Evaluated

N/A

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.

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.

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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