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9.6

Chrome <153 lets malicious web page run code

CVE-2026-87646 · published 1 month ago
Summary

Google Chrome versions before 153.0.8010.36 and the matching Chromium package can be tricked by a specially crafted web page to run code on the computer, bypassing normal security protections. This could let an attacker take control of the system. Update Chrome/Chromium to the latest version to close the risk.

What to do
  • Update google chrome to version 153.0.8010.36 or later.
Affected software
Ecosystem VendorProductAffected versions
– google chrome < 153.0.8010.36
Debian:12 debian chromium All versions
Original advisory text
Use after free in Web Authentication in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security seve...
Use after free in Web Authentication in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to 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
Published9 Sep 2026
Updated14 Oct 2026
First seen9 Sep 2026
Sources
CVE-2026-87646 · NVD
CVE-2026-87646 · MITRE
DEBIAN-CVE-2026-87646 · OSV
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