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CVE-2026-87466

Medium

Description

Incorrect authorization in Workers in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

SeverityMedium
CVSS4.3
Exploit probability—
ProductGoogle Chrome
PublishedSep 9, 2026
First seenSep 9, 2026
Weakness typeCWE-863Incorrect authorization

How to fix

Update
  • google chrome153.0.8010.36 or later

Affected products

ProductAffected versionsFixed in
google chromev < 153.0.8010.36153.0.8010.36
microsoft edge_chromiumNo range specified—

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