Live › vulnerability › CVE-2026-121129
A use-after-free bug in the WebRTC component of Google Chrome before 157.0.8103.38 can be triggered by a crafted HTML page. A remote attacker can execute arbitrary code inside the browser sandbox.
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 who visits a page an attacker controls. The sources do not say whether WebRTC must be in active use, so the exposure is any browsing session. Managed fleets should confirm the version across endpoints.
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 WebRTC 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: High)
This page as .md · .json · in your agent: get_signal("CVE-2026-121129")
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