CVE-2026-121079

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Race Condition in Google Chrome V8 Engine

Publication date: 2026-11-03

Last updated on: 2026-11-03

Assigner: Chrome

Description

Race condition in V8 in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to 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-2026-121079

EUVD

EUVD-2026-116411

Affected Vendors & Products

Vendor	Product	Version / Range
Google	Chrome	157.0.8103.38

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-362	The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Attack-Flow Graph

Executive Summary

This is a race condition vulnerability in V8, the JavaScript engine used by Google Chrome. It allows a remote attacker to execute arbitrary code inside Chrome's sandbox by tricking a user into visiting a specially crafted HTML page. The sandbox is designed to isolate untrusted code, but this flaw bypasses that protection.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your computer even if you're using Chrome's sandbox. This could lead to data theft, installation of malware, or unauthorized system access. Users should update Chrome immediately to avoid exposure.

Mitigation Strategies

Update Google Chrome to version 157.0.8103.38 or later to address the race condition in V8.

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