CVE-2026-17851

Analyzed Analyzed - Analysis Complete

Side-channel Data Leakage in Google Chrome Autofill

Publication date: 2026-07-30

Last updated on: 2026-08-03

Assigner: Chrome

Description

Side-channel information leakage in Autofill in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-07-30

Last Modified

2026-08-03

Generated

2026-08-19

AI Q&A

2026-07-30

EPSS Evaluated

2026-08-18

NVD

CVE-2026-17851

EUVD

EUVD-2026-50600

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 151.0.7922.72 (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 in the Autofill feature of Google Chrome before version 151.0.7922.72. It allows a remote attacker who has already compromised the renderer process to steal cross-origin data by tricking the user into visiting a specially crafted HTML page.

Detection Guidance

This vulnerability involves side-channel information leakage in Google Chrome's Autofill feature. Detection primarily requires checking the Chrome version and monitoring for suspicious renderer process activity. Update Chrome to version 151.0.7922.72 or later to mitigate the issue. No specific commands are provided in the context to detect active exploitation.

Impact Analysis

If exploited, this vulnerability could allow an attacker to access sensitive data you enter into forms on websites, such as passwords, credit card details, or personal information, even if those forms are on different domains.

Compliance Impact

This vulnerability could lead to unauthorized access to personal data, potentially violating GDPR's data protection principles or HIPAA's requirements for safeguarding health information. Organizations using affected Chrome versions may face compliance risks if data breaches occur.

Mitigation Strategies

Update Google Chrome to version 151.0.7922.72 or later to address the vulnerability.

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