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CVE-2026-78947

Medium

Description

Incomplete cleanup in Chromium in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted Chrome extension. (Chromium security severity: Low)

SeverityMedium
CVSS6.5
Exploit probability—
ProductGoogle Chrome
PublishedAug 25, 2026
First seenAug 25, 2026
Weakness typeCWE-459CWE-459

How to fix

Update
  • google chrome152.0.7977.65 or later

Affected products

ProductAffected versionsFixed in
google chromev < 152.0.7977.65152.0.7977.65

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