CVE-2026-17681

Analyzed Analyzed - Analysis Complete

Insufficient Input Validation in Google Chrome Android WebAuthn Sandbox Escape

Publication date: 2026-07-30

Last updated on: 2026-08-03

Assigner: Chrome

Description

Insufficient validation of untrusted input in Web Authentication in Google Chrome on Android 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: High)

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-2026-17681

EUVD

EUVD-2026-50807

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 Web Authentication in Google Chrome on Android. 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 is specific to Google Chrome on Android prior to version 151.0.7922.72. Detection involves checking the installed Chrome version on Android devices. Use the command 'dumpsys package com.android.chrome | grep versionCode' in a terminal or ADB shell to verify the version. If the version is below 151.0.7922.72, the device is vulnerable.

Impact Analysis

If exploited, this vulnerability could allow an attacker to escape the browser sandbox, potentially gaining unauthorized access to system resources or data on your device.

Compliance Impact

This vulnerability does not directly affect compliance with GDPR, HIPAA, or similar standards as it involves a sandbox escape in Google Chrome on Android due to insufficient input validation. Compliance implications would depend on how the vulnerability is exploited in a specific environment.

Mitigation Strategies

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

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