CVE-2026-121124

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Improper XML Handling Leads to Code Execution in Google Chrome

Publication date: 2026-11-03

Last updated on: 2026-11-03

Assigner: Chrome

Description

Improper adherence to coding standards in XML in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

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Meta Information

Published

2026-11-03

Last Modified

2026-11-03

Generated

2026-11-04

AI Q&A

2026-11-04

EPSS Evaluated

N/A

NVD

CVE-2026-121124

EUVD

EUVD-2026-116520

Affected Vendors & Products

Vendor	Product	Version / Range
Google	Chrome	157.0.8103.38

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-710	The product does not follow certain coding rules for development, which can lead to resultant weaknesses or increase the severity of the associated vulnerabilities.

Attack-Flow Graph

Executive Summary

This vulnerability involves improper coding standards in XML processing within Google Chrome versions before 157.0.8103.38. A remote attacker could exploit this by crafting a malicious HTML page to potentially execute arbitrary code inside the browser's sandbox.

Detection Guidance

This vulnerability cannot be directly detected with commands as it involves improper coding standards in XML within Google Chrome. The issue is resolved by updating to Chrome version 157.0.8103.38 or later.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device through a specially designed webpage. This could lead to unauthorized access, data theft, or further compromise of your system while browsing.

Mitigation Strategies

Update Google Chrome to version 157.0.8103.38 or later to address the improper XML coding standards and prevent potential arbitrary code execution inside the sandbox.

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