CVE-2026-118337
Critical
Description
Improper access control in Forms in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)
SeverityCritical
CVSS9.3
Exploit probability—
Product
Google Chrome
PublishedOct 27, 2026
First seenOct 27, 2026
Weakness typeCWE-416Use after free
How to fix
Update
- google chrome156.0.8078.73 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| google chrome | v < 156.0.8078.73 | 156.0.8078.73 |
| microsoft edge_chromium | No range specified | — |
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