Out-of-Bounds Read in Google Chrome GPU

Publication date: 2026-05-20

Last updated on: 2026-05-21

Assigner: Chrome

Description

Out of bounds read in GPU in Google Chrome on prior to 148.0.7778.179 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-05-20

Last Modified

2026-05-21

Generated

2026-06-30

AI Q&A

2026-05-20

EPSS Evaluated

2026-06-29

NVD

CVE-2026-9121

EUVD

EUVD-2026-31171

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 148.0.7778.178 (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.

Attack-Flow Graph

Executive Summary

This vulnerability is an out of bounds read in the GPU component of Google Chrome versions prior to 148.0.7778.179. It allows a remote attacker to potentially exploit heap corruption by using a specially crafted HTML page.

Impact Analysis

The vulnerability can lead to serious impacts including heap corruption, which may allow an attacker to execute arbitrary code or cause a denial of service. Since it can be triggered remotely via a crafted HTML page, users of affected Chrome versions are at risk of compromise without needing to perform any privileged actions.

Hi! I’m here to help you understand CVE-2026-9121. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70