CVE-2026-17842

Analyzed Analyzed - Analysis Complete

Chrome for iOS UI Gesture Bypass via Crafted HTML

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 who convinced a user to engage in specific UI gestures to bypass same origin policy 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-2026-17842

EUVD

EUVD-2026-50591

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-346	The product does not properly verify that the source of data or communication is valid.

Attack-Flow Graph

Executive Summary

This vulnerability is due to an inappropriate implementation in Chrome for iOS. It allowed a remote attacker to bypass the same origin policy by tricking a user into performing specific UI gestures on a crafted HTML page. This could enable unauthorized access to data from different origins.

Detection Guidance

This vulnerability is specific to Chrome for iOS and involves UI gesture manipulation to bypass same origin policy. Detection requires checking the installed version of Chrome for iOS against the patched version (151.0.7922.72). Use App Store or system settings to verify the version.

Impact Analysis

If exploited, this vulnerability could allow an attacker to access sensitive data from other websites or services while you are using Chrome for iOS. This might lead to theft of personal information, login credentials, or other confidential data.

Compliance Impact

This vulnerability does not directly affect compliance with GDPR, HIPAA, or other standards as it involves a bypass of same origin policy in Chrome for iOS, which is a browser security issue rather than a data protection or privacy regulation violation.

Mitigation Strategies

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

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