CVE-2026-3929
Received Received - Intake

Side-Channel Data Leak in Chrome ResourceTiming Prior to

Vulnerability report for CVE-2026-3929, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-03-11

Last updated on: 2026-03-13

Assigner: Chrome

Description

Side-channel information leakage in ResourceTiming in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

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Meta Information

Published
2026-03-11
Last Modified
2026-03-13
Generated
2026-07-06
AI Q&A
2026-03-12
EPSS Evaluated
2026-07-05
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 146.0.7680.71 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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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

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Executive Summary

This vulnerability is a side-channel information leakage issue in the ResourceTiming feature of Google Chrome versions prior to 146.0.7680.71.

It allows a remote attacker to leak cross-origin data by using a specially crafted HTML page.

Impact Analysis

An attacker exploiting this vulnerability can obtain information from other origins (websites) that the user may be visiting, potentially exposing sensitive data.

This could lead to privacy breaches or unauthorized data disclosure through the crafted HTML page.

Compliance Impact

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Detection Guidance

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