CVE-2026-121049

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Out-of-Bounds Read in Google Chrome V8

Publication date: 2026-11-03

Last updated on: 2026-11-03

Assigner: Chrome

Description

Out of bounds read in V8 in Google Chrome prior to 157.0.8103.38 allowed a local attacker to read memory via a crafted file. (Chromium security severity: Medium)

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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-2026-121049

EUVD

EUVD-2026-116312

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 is an out-of-bounds read vulnerability in V8, the JavaScript engine used by Google Chrome. It occurs when the software reads data outside the intended memory buffer, potentially exposing sensitive information. The issue exists in Chrome versions prior to 157.0.8103.38 and could be triggered by a local attacker using a specially crafted file.

Impact Analysis

A local attacker could exploit this to read memory contents from your system, potentially accessing sensitive data like passwords, personal files, or other confidential information stored in memory. This could lead to further attacks or data breaches.

Mitigation Strategies

Update Google Chrome to version 157.0.8103.38 or later to address the out of bounds read vulnerability in V8.

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