CVE-2026-113009

Modified Modified - Updated After Analysis

Use After Free in WindowControlsOverlay in Google Chrome

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Chrome

Description

UI misrepresentation in WindowControlsOverlay in Google Chrome prior to 156.0.8078.47 allowed a remote attacker leveraging social engineering to potentially spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-11-03

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-113009

EUVD

EUVD-2026-105561

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 156.0.8078.47 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-451	The user interface (UI) does not properly represent critical information to the user, allowing the information - or its source - to be obscured or spoofed. This is often a component in phishing attacks.
CWE-416	The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

Attack-Flow Graph

Executive Summary

This vulnerability is a use-after-free issue in the WindowControlsOverlay component of Google Chrome. It allows a remote attacker to execute arbitrary code within the browser's sandbox by tricking a user into visiting a specially crafted HTML page. The flaw exists in Chrome versions prior to 156.0.8078.47.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 156.0.8078.47. To detect it, check the installed Chrome version using chrome://settings/help or the command line. If the version is below 156.0.8078.47, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device, potentially leading to data theft, installation of malware, or unauthorized access to your system. Since it occurs within the sandbox, the impact is somewhat limited but still serious.

Compliance Impact

This vulnerability allows remote attackers to execute arbitrary code inside the sandbox via crafted HTML pages, which could lead to unauthorized data access or manipulation. Such code execution risks may violate GDPR's integrity and confidentiality requirements or HIPAA's safeguards for protected health information if exploited.

Mitigation Strategies

Update Google Chrome to version 156.0.8078.47 or later to address the use after free vulnerability in WindowControlsOverlay.

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