Live › vulnerability › CVE-2026-121078
A type confusion bug in the V8 JavaScript engine in Google Chrome lets a remote attacker run arbitrary code inside the browser sandbox when the victim opens a crafted HTML page. Chromium rates it High severity, and the sources do not say it is exploited in the wild.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-11-03 21:19 UTC. All times on this page are UTC.
Anyone running Google Chrome older than 157.0.8103.38 is exposed when they visit a malicious or compromised web page. The sources do not describe a server-side path, so the risk sits in the browser on the endpoint. Teams that manage browsers centrally should check their fleet versions.
No product ranges from the sources yet.
chrome://version and compare the version to 157.0.8103.38157.0.8103.38157.0.8103.38 or laterEach row is the first time that source carried this signal. The analyst’s rows are its own findings.
Type confusion in V8 in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
This page as .md · .json · in your agent: get_signal("CVE-2026-121078")
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