CVE-2026-17768

Analyzed Analyzed - Analysis Complete

Insufficient Input Validation in Google Chrome WebSocket Sandbox Escape

Publication date: 2026-07-30

Last updated on: 2026-08-04

Assigner: Chrome

Description

Insufficient validation of untrusted input in WebSockets in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

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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-2026-17768

EUVD

EUVD-2026-50717

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.

Attack-Flow Graph

Executive Summary

This vulnerability is a sandbox escape issue in Google Chrome caused by insufficient validation of untrusted input in WebSockets. It allows a remote attacker who has already compromised the renderer process to potentially escape the sandbox via a specially crafted HTML page.

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. If your version is below 151.0.7922.72, update immediately. No specific network commands are provided for detection as this is a client-side issue.

Impact Analysis

If exploited, this vulnerability could allow an attacker to break out of the browser's security sandbox, potentially gaining access to system resources or data beyond what the browser should permit. This could lead to further compromise of the user's device.

Compliance Impact

This vulnerability does not directly affect compliance with GDPR, HIPAA, or other common standards and regulations. The issue involves insufficient validation in WebSockets in Google Chrome, which could allow a remote attacker to perform a sandbox escape via a crafted HTML page. Compliance implications would depend on how the vulnerability is exploited in a specific environment.

Mitigation Strategies

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

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