Live › vulnerability › CVE-2026-121218
A type confusion bug in the V8 JavaScript engine of Google Chrome, before version 157.0.8103.38, lets a remote attacker run arbitrary code inside the browser sandbox when the victim opens a crafted HTML page. Chromium rates it Medium severity.
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 on desktop or Android before 157.0.8103.38 is exposed when they visit a malicious or compromised web page. Chromium-based browsers that pull V8 from upstream are likely affected too, but the sources do not say which ones. Users on managed or auto-updated Chrome are usually already patched.
No product ranges from the sources yet.
chrome --version on the command line.157.0.8103.38 or later.157.0.8103.38 or later.Each 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 execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
This page as .md · .json · in your agent: get_signal("CVE-2026-121218")
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