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CVE-2026-12453

Medium

Description

Insufficient validation of untrusted input in Input in Google Chrome prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to bypass same origin policy via a crafted HTML page. (Chromium security severity: High)

SeverityMedium
CVSS4.2
Exploit probability—
ProductGoogle Chrome
PublishedJun 17, 2026
First seenJun 17, 2026
Weakness typeCWE-20Improper input validation

How to fix

Update
  • google chrome149.0.7827.155 or later

Affected products

ProductAffected versionsFixed in
google chromev < 149.0.7827.155149.0.7827.155

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