CVE-2026-91723: Race Condition

Q: What does an attacker need to exploit this issue?

The attacker needs to get a user to visit a crafted HTML page. The issue can then be used to spoof UI elements remotely.

Q: Which Chrome versions need to be updated?

Google Chrome versions prior to 153.0.8010.47 are affected. Update Chrome to 153.0.8010.47 or later.

Published Sep 15, 2026

Updated

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)

Affected Software

1 affected component

Google Chrome<153.0.8010.47

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade Google Chrome to a version that resolves this vulnerability.
Fixed in 153.0.8010.47

Event History

Sep 15, 2026

CVE Published

via MITRE·08:41 PM

Data Sourced

via MITRE·08:41 PM

DescriptionWeakness

Frequently Asked Questions

What does an attacker need to exploit this issue?

The attacker needs to get a user to visit a crafted HTML page. The issue can then be used to spoof UI elements remotely.

Which Chrome versions need to be updated?