CVE-2026-17839

Analyzed Analyzed - Analysis Complete

Chrome for iOS UI Spoofing Vulnerability

Publication date: 2026-07-30

Last updated on: 2026-08-03

Assigner: Chrome

Description

Inappropriate implementation in Chrome for iOS in Google Chrome on iOS prior to 151.0.7922.72 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-30

Last Modified

2026-08-03

Generated

2026-08-19

AI Q&A

2026-07-30

EPSS Evaluated

2026-08-18

NVD

CVE-2026-17839

EUVD

EUVD-2026-50588

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 151.0.7922.72 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-451	The user interface (UI) does not properly represent critical information to the user, allowing the information - or its source - to be obscured or spoofed. This is often a component in phishing attacks.

Attack-Flow Graph

Executive Summary

This vulnerability is a UI spoofing issue in Google Chrome for iOS versions prior to 151.0.7922.72. It involves an inappropriate implementation that allows a remote attacker to deceive users by displaying misleading or fake UI elements through a crafted HTML page.

Detection Guidance

This vulnerability is specific to Chrome for iOS and involves UI spoofing via crafted HTML pages. Detection would require checking the installed version of Chrome for iOS and ensuring it is updated to version 151.0.7922.72 or later. No direct network or system commands are provided in the context to detect this issue.

Impact Analysis

This vulnerability could trick you into interacting with fake UI elements, potentially leading to unintended actions like entering sensitive information or downloading malicious content. It may also cause confusion or mislead you into believing a legitimate site is unsafe or vice versa.

Compliance Impact

This vulnerability involves UI spoofing in Chrome for iOS, which could potentially mislead users into interacting with malicious content. While it does not directly impact data handling or security controls, such deceptive practices could undermine user trust and lead to unintended data exposure, indirectly affecting compliance with standards like GDPR or HIPAA that require transparency and user consent.

Mitigation Strategies

Update Google Chrome for iOS to version 151.0.7922.72 or later to address the vulnerability.

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