Out-of-Bounds Read/Write in V8 Engine Enables Remote Code Execution

Publication date: 2026-04-08

Last updated on: 2026-04-13

Assigner: Chrome

Description

Out of bounds read and write in V8 in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-04-08

Last Modified

2026-04-13

Generated

2026-07-06

AI Q&A

2026-04-09

EPSS Evaluated

2026-07-05

NVD

CVE-2026-5873

EUVD

EUVD-2026-20678

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 147.0.7727.55 (exc)

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.
CWE-787	The product writes 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 and write issue in the V8 JavaScript engine used by Google Chrome versions prior to 147.0.7727.55. It allows a remote attacker to execute arbitrary code inside a sandbox by tricking the browser into processing a specially crafted HTML page.

Impact Analysis

If exploited, this vulnerability can allow an attacker to run arbitrary code on your device within the sandbox environment of the browser. This could lead to unauthorized actions or compromise of your system's security while browsing malicious web pages.

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