CVE-2026-113078

Severity: critical (CVSS 9.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-20 · updated 2026-10-26
Weakness: CWE-20

Description

Improper input validation in Compositing in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

Affected products

Google Chrome: before 156.0.8078.47 — fixed in 156.0.8078.47
Google Chrome: from 156.0.8078.47 before 156.0.8078.47 — fixed in 156.0.8078.47

How to fix

Upgrade to a fixed version: Google Chrome 156.0.8078.47; Google Chrome 156.0.8078.47. Check the vendor advisory for mitigations.

References

https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html
https://issues.chromium.org/issues/499520020

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