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9.6

Chrome before 155 can run malicious code via webpage

CVE-2026-106211 · published 5 days ago
Summary

Google Chrome (and Debian Chromium) versions older than 155 let a crafted web page cause the browser to execute code outside its safety zone if a user is tricked into opening it. This could let an attacker take control of the computer. Update Chrome/Chromium to the latest version to eliminate the risk.

What to do
  • Update google chrome to version 155.0.8059.39 or later.
Affected software
Ecosystem VendorProductAffected versions
– google chrome < 155.0.8059.39
Debian:12 debian chromium All versions
Original advisory text
DEBIAN-CVE-2026-106211
Use after free in TabStrip in Google Chrome prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
9.6 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-416Use After Free
Timeline
Published6 Oct 2026
Updated10 Oct 2026
First seen6 Oct 2026
Sources
CVE-2026-106211 · NVD
CVE-2026-106211 · MITRE
DEBIAN-CVE-2026-106211 · OSV
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