9.1Critical

Google Chrome

CVE-2026-85043

Incomplete cleanup in Network in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to bypass system access restrictions via crafted network traffic. (Chromium security severity: High)

What this means for your business

  • It affects Google Chrome. It matters if your company, or a supplier that handles your data, runs it.
  • An attacker can use it remotely, over a network, without a login, and without anyone at your company clicking anything.
  • FIRST's prediction model gives it a 0.4% chance of attack attempts being seen in the next 30 days, ranking above 35% of all known flaws.

What to do

  1. 1Check whether your company or your suppliers run Google Chrome, and which version. The affected versions are listed further down this page.
  2. 2If you do, apply the vendor's fix. A patch or vendor advisory has been published.

Fastnexa security experts

Not sure if your company is exposed to CVE-2026-85043?

Tell us where you run Google Chrome and a Fastnexa penetration tester will check whether this flaw, or others like it, can be used against your websites, apps and network.

The full test is free for our first 10 founding clients until 31 December 2026. See the offer

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Think you’ve already been hit? Don’t wait on a form: call or WhatsApp +1 (732) 454 2616. We reply within 1 hour, 24/7. Emergency help →

Scoring

CVSS
9.1 (v3.1)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weakness
CWE-459
Assigned by
chrome-cve-admin@google.com

Dates

Published
2026-09-03
Last modified
2026-09-08
Sources
NVD

Affected products

  • Google Chrome- 152.0.7977.82

As listed in the NVD configuration data. Not a statement about your estate.

References