CVE-2026-87523

Analyzed Analyzed - Analysis Complete

Race Condition in Google Chrome DataTransfer

Publication date: 2026-09-09

Last updated on: 2026-09-09

Assigner: Chrome

Description

Race condition in DataTransfer in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to obtain sensitive information via a crafted HTML page. (Chromium security severity: Low)

CVSS Scores

EPSS Scores

Probability:
Percentile:

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-2026-87523

EUVD

EUVD-2026-74457

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-367	The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.

Attack-Flow Graph

Executive Summary

This is a race condition vulnerability in Google Chrome's DataTransfer component. It allows an attacker to exploit timing issues in the browser to access sensitive information through a crafted HTML page, even though user interaction is required.

Detection Guidance

This vulnerability is specific to Google Chrome and involves a race condition in DataTransfer. Detection primarily involves checking the Chrome version and monitoring for suspicious HTML pages. Use chrome://version/ to check the installed version. If it is below 153.0.8010.36, the system is vulnerable. No direct commands detect the exploit itself, but updating Chrome and monitoring network traffic for unusual HTML content can help.

Impact Analysis

An attacker could trick you into visiting a malicious page, potentially stealing sensitive data like passwords or personal information. The attack requires social engineering, meaning you must be convinced to interact with the harmful content.

Compliance Impact

This vulnerability involves a race condition in Google Chrome's DataTransfer component, enabling an attacker to obtain sensitive information through social engineering and a crafted HTML page. While the CVSS score is low (5.3), the exposure of sensitive data could potentially impact compliance with GDPR (data protection) and HIPAA (health information privacy) if such data is mishandled or exposed.

Mitigation Strategies

Update Google Chrome to version 153.0.8010.36 or later to address the race condition in DataTransfer.

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