Insufficient Input Validation in Google Chrome Accessibility Feature

Publication date: 2026-06-30

Last updated on: 2026-06-30

Assigner: Chrome

Description

Insufficient validation of untrusted input in Accessibility in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-06-30

Last Modified

2026-06-30

Generated

2026-07-01

AI Q&A

2026-07-01

EPSS Evaluated

N/A

NVD

CVE-2026-13806

EUVD

EUVD-2026-40492

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	150.0.7871.47

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 Accessibility feature of Google Chrome versions prior to 150.0.7871.47. It allows a remote attacker who has compromised the renderer process to bypass site isolation by using a specially crafted HTML page.

Impact Analysis

The impact of this vulnerability is that an attacker who has already compromised the renderer process can bypass site isolation protections. This could potentially allow the attacker to access or manipulate data from other sites or processes that should be isolated, increasing the risk of data leakage or unauthorized actions within the browser.

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