CVE-2026-17806

Analyzed Analyzed - Analysis Complete

Chrome Extension Sandbox Escape via Untrusted Input

Publication date: 2026-07-30

Last updated on: 2026-08-03

Assigner: Chrome

Description

Insufficient validation of untrusted input in Extensions 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

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-2026-17806

EUVD

EUVD-2026-50755

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 involves insufficient validation of untrusted input in Google Chrome's Extensions feature. A remote attacker who compromised the renderer process could exploit this to potentially escape the sandbox via a crafted HTML page.

Detection Guidance

This vulnerability involves insufficient validation in Google Chrome's Extensions component, allowing sandbox escape via crafted HTML. Detection requires checking Chrome version and monitoring for suspicious renderer process activity. Update Chrome to 151.0.7922.72 or later to patch the issue.

Impact Analysis

If exploited, this could allow an attacker to break out of the browser's security sandbox, potentially gaining access to system resources or sensitive data beyond the browser's intended restrictions.

Compliance Impact

This vulnerability involves insufficient validation of untrusted input in Google Chrome, potentially allowing a sandbox escape via a crafted HTML page. While it does not directly impact GDPR or HIPAA compliance, such vulnerabilities could lead to unauthorized data access or processing, which may violate these regulations if exploited.

Mitigation Strategies

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

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