Type Confusion in Chrome Tabs in Google Chrome

Publication date: 2026-06-30

Last updated on: 2026-06-30

Assigner: Chrome

Description

Type Confusion in Chrome Tabs in Google Chrome prior to 150.0.7871.47 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:
Percentile:

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-2026-13803

EUVD

EUVD-2026-40489

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 150.0.7871.47 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-843	The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

Attack-Flow Graph

Executive Summary

This vulnerability is a type confusion issue in the Chrome Tabs component of Google Chrome versions prior to 150.0.7871.47. It allows a remote attacker who has already compromised the renderer process to potentially escape the browser's sandbox by using a specially crafted HTML page.

Impact Analysis

If exploited, this vulnerability could allow an attacker to escape the sandbox environment of the browser, potentially gaining higher privileges on the affected system. This could lead to unauthorized access, execution of arbitrary code, or further compromise of the system beyond the browser.

Hi! I’m here to help you understand CVE-2026-13803. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70