CVE-2026-17724

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Chrome for iOS UXSS via Crafted HTML Page

Publication date: 2026-07-30

Last updated on: 2026-08-10

Assigner: Chrome

Description

Race in Chrome for iOS in Google Chrome on iOS prior to 151.0.7922.72 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via a crafted HTML page. (Chromium security severity: High)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-30

Last Modified

2026-08-10

Generated

2026-08-19

AI Q&A

2026-07-30

EPSS Evaluated

2026-08-18

NVD

CVE-2026-17724

EUVD

EUVD-2026-50850

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-362	The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Attack-Flow Graph

Executive Summary

This vulnerability is a race condition in Chrome for iOS that allows a remote attacker to inject arbitrary scripts or HTML into a user's browser session. This type of attack is known as Universal Cross-Site Scripting (UXSS), which can bypass security restrictions and compromise user data.

Detection Guidance

This vulnerability is specific to Chrome for iOS and requires detecting outdated versions. Check Chrome version via Settings > Chrome or command: /Applications/Chrome.app/Contents/MacOS/Google Chrome --version on macOS. Compare against version 151.0.7922.72 or later.

Impact Analysis

If exploited, this vulnerability could allow an attacker to access sensitive information, such as login credentials or personal data, by injecting malicious scripts. It could also enable actions like session hijacking or redirection to phishing sites without user interaction.

Compliance Impact

This vulnerability allows a remote attacker to inject arbitrary scripts or HTML via a crafted page, which could lead to unauthorized data access or manipulation. Such cross-site scripting risks may violate GDPR's data protection requirements or HIPAA's safeguards for protected health information if exploited.

Mitigation Strategies

Update Google Chrome for iOS to version 151.0.7922.72 or later to address the race condition vulnerability that could lead to UXSS attacks.

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