CVE-2026-84357: Input Validation

Q: Which Chrome versions are affected?

Google Chrome versions prior to 152.0.7977.75 are affected. Updating to 152.0.7977.75 or later remediates the issue.

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

The attacker would need to use crafted network traffic and successfully leverage social engineering against the target. The reported impact is a bypass of the web origin policy.

Published Sep 1, 2026

Updated

Improper input validation in Omnibox in Google Chrome prior to 152.0.7977.75 allowed a remote attacker leveraging social engineering to bypass web origin policy via crafted network traffic. (Chromium security severity: High)

Affected Software

1 affected component

Google Google Chrome<152.0.7977.75

Event History

Sep 1, 2026

CVE Published

via MITRE·11:42 PM

Data Sourced

via MITRE·11:42 PM

DescriptionWeakness

Frequently Asked Questions

Which Chrome versions are affected?

Google Chrome versions prior to 152.0.7977.75 are affected. Updating to 152.0.7977.75 or later remediates the issue.

What would an attacker need to exploit this issue?

The attacker would need to use crafted network traffic and successfully leverage social engineering against the target. The reported impact is a bypass of the web origin policy.