CVE-2026-121064
High
Description
Improper input validation in Performance in Google Chrome prior to 157.0.8103.38 allowed a local attacker to potentially execute arbitrary code inside the sandbox via a local program. (Chromium security severity: Low)
SeverityHigh
CVSS7.8
Exploit probability—
Product
Chrome
PublishedNov 3, 2026
First seenNov 4, 2026
Weakness typeCWE-20Improper input validation
How to fix
Update
- Google Chrome157.0.8103.38 or later
- google chrome157.0.8103.38 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Google Chrome | 157.0.8103.38 | 157.0.8103.38 |
| google chrome | v < 157.0.8103.38 | 157.0.8103.38 |
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