CVE-2026-121184

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Out-of-Bounds Read in Google Chrome

Publication date: 2026-11-03

Last updated on: 2026-11-03

Assigner: Chrome

Description

Out of bounds read in Media 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: Medium)

CVSS Scores

EPSS Scores

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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-2026-121184

EUVD

EUVD-2026-116291

Affected Vendors & Products

Vendor	Product	Version / Range
Google	Chrome	157.0.8103.38

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is an out-of-bounds read issue in Google Chrome's Media component. It occurs when Chrome processes a specially crafted HTML page, potentially allowing a remote attacker to read memory outside the intended bounds. This could lead to arbitrary code execution within the browser's sandbox.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device through a malicious webpage. Since it affects Chrome before version 157.0.8103.38, updating Chrome to the latest version patches this issue. The impact includes potential data theft, system compromise, or further malware installation.

Mitigation Strategies

Update Google Chrome to version 157.0.8103.38 or later to address the out of bounds read vulnerability in Media.

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