Live › vulnerability › CVE-2026-121223
A flaw in the Media component of Google Chrome before 157.0.8103.38 lets a remote attacker build a crafted HTML page that reveals data from other origins. The Chromium security severity is rated Medium.
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 opens a malicious web page. Browsers on the same machine with other engines are not covered by this entry. Managed fleets that pin Chrome versions are exposed until the pin moves.
No product ranges from the sources yet.
157.0.8103.38.157.0.8103.38 or later.Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Observable discrepancy in Media in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
This page as .md · .json · in your agent: get_signal("CVE-2026-121223")
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