CVE-2026-17769

Analyzed Analyzed - Analysis Complete

Insufficient Input Validation in Google Chrome Leads to Cross-Origin Data Leak

Publication date: 2026-07-30

Last updated on: 2026-08-04

Assigner: Chrome

Description

Insufficient validation of untrusted input in Cast in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-07-30

Last Modified

2026-08-04

Generated

2026-08-19

AI Q&A

2026-07-30

EPSS Evaluated

2026-08-18

NVD

CVE-2026-17769

EUVD

EUVD-2026-50718

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
CWE-346	The product does not properly verify that the source of data or communication is valid.

Attack-Flow Graph

Executive Summary

This vulnerability involves insufficient validation of untrusted input in Google Chrome's Cast feature. A remote attacker could exploit this by creating a specially crafted HTML page to leak cross-origin data, meaning sensitive information from one website could be accessed by another.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 151.0.7922.72. To detect it, check your Chrome version by running chrome://version/ in the browser address bar. If the version is below 151.0.7922.72, the system is vulnerable.

Impact Analysis

If you use Google Chrome prior to version 151.0.7922.72, an attacker could potentially access data from other websites you visit while using the Cast feature. This could lead to exposure of sensitive information like login credentials or personal data.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, which may violate GDPR's data protection principles or HIPAA's requirements for safeguarding protected health information. Organizations using vulnerable Chrome versions may face compliance risks.

Mitigation Strategies

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

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