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9.0

CVE-2026-87613: Chrome and Chromium can be tricked to run malicious code

CVE-2026-87613 · published 1 month ago
Summary

Google Chrome and the open-source Chromium browser versions before 153.0.8010.36 have a flaw in how they handle extensions. An attacker who sends specially crafted web traffic could cause the browser to run malicious programs outside its normal security limits, potentially affecting the whole computer. Apply the latest browser updates (or upgrade to version 153.0.8010.36 or newer) as soon as possible to fix the problem.

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
Incorrect reference resolution in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via crafted network traffic....
Incorrect reference resolution in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: Medium)
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
9.0 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-706Use of Incorrectly-Resolved Name or Reference
Timeline
Published9 Sep 2026
Updated14 Oct 2026
First seen9 Sep 2026
Sources
CVE-2026-87613 · MITRE
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