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CVE-2026-106263

Medium

Description

Improper input validation in SignIn in Google Chrome prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted Chrome extension. (Chromium security severity: Medium)

SeverityMedium
CVSS6.5
Exploit probability—
ProductGoogle Chrome
PublishedOct 6, 2026
First seenOct 6, 2026
Weakness typeCWE-20Improper input validation

How to fix

Update
  • google chrome155.0.8059.39 or later

Affected products

ProductAffected versionsFixed in
google chromev < 155.0.8059.39155.0.8059.39

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