CVE-2026-87478

Analyzed Analyzed - Analysis Complete

Observable Discrepancy in Autofill in Google Chrome

Publication date: 2026-09-09

Last updated on: 2026-09-09

Assigner: Chrome

Description

Observable discrepancy in Autofill in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-09

Last Modified

2026-09-09

Generated

2026-09-29

AI Q&A

2026-09-10

EPSS Evaluated

2026-09-27

NVD

CVE-2026-87478

EUVD

EUVD-2026-74530

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 153.0.8010.36 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-203	The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

Attack-Flow Graph

Executive Summary

This vulnerability involves an observable discrepancy in the Autofill feature of Google Chrome versions before 153.0.8010.36. A remote attacker could exploit this by creating a specially crafted HTML page to trick the browser into revealing sensitive information.

Detection Guidance

This vulnerability involves observable discrepancies in Autofill in Google Chrome prior to version 153.0.8010.36. Detection primarily involves checking the Chrome version and monitoring for unexpected Autofill behavior. No specific commands are provided in the context to detect this issue.

Impact Analysis

An attacker could potentially steal sensitive data such as usernames, passwords, or other personal details stored in the browser's Autofill cache. This could lead to identity theft, unauthorized account access, or further exploitation of the victim's data.

Compliance Impact

This vulnerability could lead to unauthorized disclosure of personal data, violating GDPR's principles of data protection and user consent. For HIPAA, it may risk exposing protected health information if such data was stored in the browser.

Mitigation Strategies

Update Google Chrome to version 153.0.8010.36 or later to address the vulnerability.

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