Live › vulnerability › CVE-2026-121131
A use-after-free bug in the mobile build of Google Chrome lets an attacker who tricks a user into installing a crafted Chrome extension run arbitrary code outside the browser sandbox. Chromium rates it High 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.
Any device running Chrome Mobile before 157.0.8103.38 is exposed, but exploitation needs the user to be socially engineered into installing a crafted extension. Desktop Chrome and managed fleets should be checked against their own version ranges, which the sources do not cover. Devices already on 157.0.8103.38 or later are not affected.
No product ranges from the sources yet.
157.0.8103.38157.0.8103.38 or laterEach row is the first time that source carried this signal. The analyst’s rows are its own findings.
Use after free in Mobile in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted Chrome extension. (Chromium security severity: High)
This page as .md · .json · in your agent: get_signal("CVE-2026-121131")
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