Live › vulnerability › CVE-2026-121166
A type confusion bug in PDFium, the PDF engine inside Google Chrome, lets a crafted PDF file execute arbitrary code inside the browser sandbox. Chromium rates it High severity, and the sources do not say whether 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.
Any device running Google Chrome before 157.0.8103.38 is exposed when it opens a crafted PDF, including PDFs opened inline from a web page. Managed fleets should check the Chrome version on every endpoint. Systems that do not run Chrome, or that run a patched build, can skip it.
No product ranges from the sources yet.
chrome --version on a managed machine.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 PDFium in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted PDF file. (Chromium security severity: High)
This page as .md · .json · in your agent: get_signal("CVE-2026-121166")
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