Side-Channel Information Leakage in Google Chrome CSS

Publication date: 2026-06-30

Last updated on: 2026-06-30

Assigner: Chrome

Description

Side-channel information leakage in CSS in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-06-30

Last Modified

2026-06-30

Generated

2026-07-01

AI Q&A

2026-07-01

EPSS Evaluated

N/A

NVD

CVE-2026-14012

EUVD

EUVD-2026-40700

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 150.0.7871.47 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-1300	The device does not contain sufficient protection mechanisms to prevent physical side channels from exposing sensitive information due to patterns in physically observable phenomena such as variations in power consumption, electromagnetic emissions (EME), or acoustic emissions.

Attack-Flow Graph

Executive Summary

This vulnerability is a side-channel information leakage issue in the CSS component of Google Chrome versions prior to 150.0.7871.47. It allows a remote attacker to obtain potentially sensitive information from the process memory by using a specially crafted HTML page.

Impact Analysis

The impact of this vulnerability is that an attacker could remotely extract sensitive information from the browser's process memory. This could lead to exposure of private data that the browser is handling, potentially compromising user privacy and security.

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