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CVE-2026-93378

Low

Description

Missing authorization in Storage in Google Chrome prior to 153.0.8010.52 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted PDF file. (Chromium security severity: Medium)

SeverityLow
CVSS3.1
Exploit probability—
ProductGoogle Chrome
PublishedSep 17, 2026
First seenSep 17, 2026
Weakness typeCWE-862Missing authorization

How to fix

Update
  • google chrome153.0.8010.52 or later

Affected products

ProductAffected versionsFixed in
google chromev < 153.0.8010.52153.0.8010.52

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