CVE-2026-91723

Received Received - Intake

Race Condition in Google Chrome UI Spoofing

Publication date: 2026-09-15

Last updated on: 2026-09-18

Assigner: Chrome

Description

Race condition in WebAppInstalls in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-15

Last Modified

2026-09-18

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-91723

EUVD

EUVD-2026-79985

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 153.0.8010.47 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-362	The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Attack-Flow Graph

Executive Summary

This vulnerability is a race condition in WebAppInstalls in Google Chrome versions before 153.0.8010.47. A race condition occurs when the behavior of a software depends on the sequence or timing of uncontrollable events. In this case, it allows a remote attacker to trick the browser into displaying misleading UI elements by exploiting timing issues in the installation process of web apps.

Impact Analysis

This vulnerability could allow an attacker to trick you into thinking you are interacting with a legitimate web app or website when you are not. For example, they might make it appear as though you are on a trusted site, leading to potential phishing attacks, unauthorized actions, or data theft if you enter sensitive information.

Mitigation Strategies

Update Google Chrome to version 153.0.8010.47 or later to address the race condition in WebAppInstalls.

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