CVE-2026-87594

Analyzed Analyzed - Analysis Complete

Incorrect Authorization in Google Chrome DataTransfer

Publication date: 2026-09-09

Last updated on: 2026-09-09

Assigner: Chrome

Description

Incorrect authorization in DataTransfer in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process 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-2026-87594

EUVD

EUVD-2026-74391

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-863	The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

Executive Summary

This vulnerability involves incorrect authorization in DataTransfer in Google Chrome before version 153.0.8010.36. A remote attacker who compromised the renderer process could exploit a crafted HTML page to access sensitive information.

Detection Guidance

This vulnerability involves incorrect authorization in Google Chrome's DataTransfer component. Detection primarily requires checking the installed Chrome version and monitoring for suspicious renderer process activity. No specific commands are provided in the CVE details to directly detect this issue. Ensure Chrome is updated to version 153.0.8010.36 or later to mitigate the risk.

Impact Analysis

If exploited, this vulnerability could allow an attacker to steal sensitive data from your browser session, such as passwords, cookies, or other personal information, if you visit a malicious webpage.

Compliance Impact

This vulnerability allows a remote attacker to obtain sensitive information via a crafted HTML page, which could lead to unauthorized data access. This may impact compliance with GDPR (data protection) and HIPAA (health information privacy) by exposing personal or sensitive data.

Mitigation Strategies

Update Google Chrome to version 153.0.8010.36 or later to address the incorrect authorization issue in DataTransfer.

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