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9.6

Chrome may run unwanted code from malicious webpage

CVE-2026-91749 · published 28 days ago
Summary

A flaw in Chrome versions before 153.0.8010.47 can let a crafted web page cause the browser to run code outside its normal safe area. This could let an attacker take control of the computer. Update Chrome to the latest version to fix the issue.

What to do
  • Update google chrome to version 153.0.8010.47 or later.
Affected software
Ecosystem VendorProductAffected versions
– google chrome < 153.0.8010.47
Debian:12 debian chromium All versions
Original advisory text
Use after free in Workers in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security sev...
Use after free in Workers in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
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
Published15 Sep 2026
Updated11 Oct 2026
First seen15 Sep 2026
Sources
CVE-2026-91749 · NVD
CVE-2026-91749 · MITRE
DEBIAN-CVE-2026-91749 · OSV
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