CVE-2026-106406

Analyzed Analyzed - Analysis Complete

Missing Authorization in Google Chrome iOS UI Spoofing

Publication date: 2026-10-06

Last updated on: 2026-10-07

Assigner: Chrome

Description

Missing authorization in Mobile in Google Chrome on on iOS prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-06

Last Modified

2026-10-07

Generated

2026-10-19

AI Q&A

2026-10-06

EPSS Evaluated

2026-10-18

NVD

CVE-2026-106406

EUVD

EUVD-2026-93699

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 155.0.8059.39 (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

This vulnerability involves missing authorization in Google Chrome on iOS. It allows a remote attacker to trick users into seeing fake UI elements by using a specially crafted HTML page. The attacker relies on social engineering to deceive the user.

Detection Guidance

This vulnerability involves missing authorization in Google Chrome on iOS, allowing UI spoofing via crafted HTML. Detection requires checking Chrome version on iOS devices. Ensure Chrome is updated to version 155.0.8059.39 or later to mitigate the issue.

Impact Analysis

This vulnerability could trick you into interacting with fake UI elements, such as buttons or dialogs, leading to unintended actions like sharing sensitive information or downloading malicious content. It exploits user trust through social engineering.

Compliance Impact

This vulnerability involves missing authorization leading to UI spoofing via crafted HTML pages. While not directly tied to GDPR or HIPAA, such vulnerabilities could potentially impact compliance by enabling phishing attacks that trick users into disclosing sensitive data, which may violate data protection requirements under these regulations.

Mitigation Strategies

Update Google Chrome on iOS to version 155.0.8059.39 or later to address the missing authorization issue.

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