Remote Sandbox Escape in Google Chrome via Chromoting

Publication date: 2026-06-04

Last updated on: 2026-06-08

Assigner: Chrome

Description

Insufficient validation of untrusted input in Chromoting in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker who had compromised the network process to potentially perform a sandbox escape via malicious network traffic. (Chromium security severity: Medium)

CVSS Scores

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Meta Information

Published

2026-06-04

Last Modified

2026-06-08

Generated

2026-07-15

AI Q&A

2026-06-05

EPSS Evaluated

2026-07-14

NVD

CVE-2026-11070

EUVD

EUVD-2026-34518

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 149.0.7827.53 (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 the Chromoting component of Google Chrome on Windows versions prior to 149.0.7827.53. A remote attacker who has already compromised the network process could exploit this flaw by sending malicious network traffic, potentially allowing them to escape the browser's sandbox environment.

Impact Analysis

If exploited, this vulnerability could allow an attacker to break out of the sandbox that normally restricts what the browser can do. This could lead to the attacker gaining higher privileges on the affected system, potentially allowing them to execute arbitrary code or perform unauthorized actions beyond the browser's normal limitations.

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