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HighVulnerabilityCVE-2026-113175updated 27 Oct 2026, 03:00 UTC

Google Chrome: flaw in file handling lets web pages run code in the browser sandbox

A specially crafted web page could make Chrome run an attacker's code inside its restricted sandbox. Updating Chrome closes this hole.

Fix availableOfficial, 2 sources
SeverityHighCVSS 8.8 of 10
Being exploited?UnclearNo reports either way yet
Fix available?YesChrome 156.0.8078.47 or later. ChromeOS LTS-150 version 150.0.7871.287 (Platform Version 16700.68.0) includes the fix. · since 27 Oct 2026
How sure is this?Official, 2 sourcesBacked by an official source

How the attack works simplified

  1. 1Attacker builds pageCrafted HTML page prepared in advance
  2. 2User opens pageVictim loads the page in Chrome
  3. 3FileSystem input flawImproper validation of crafted input
  4. 4Code runs in sandboxAttacker code executes inside the sandbox
  5. ResultAttacker runs code inside the browser sandbox

What happened

Improper input validation in Chrome's FileSystem component allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page.

Why it is dangerous: Anyone who visits a malicious or compromised web page in an unpatched Chrome could be attacked, which puts ordinary browser users and their devices at risk.

Are you affected?

You are affected if you run Google Chrome prior to 156.0.8078.47.

Google Chrome versions prior to 156.0.8078.47.

What to do

  1. Update Google Chrome to 156.0.8078.47 or later
  2. On ChromeOS, install LTS-150 version 150.0.7871.287 (Platform Version 16700.68.0) or later
  3. Restart the browser after updating so the fix takes effect

Timeline

  1. 20 Oct 2026, 22:19 UTC
    Publicly disclosed
  2. 20 Oct 2026, 22:19 UTC
    Reported by NVD · NVD
  3. 27 Oct 2026, 03:00 UTC
    Google Chrome reported on it · Google Chrome

Sources 2 reports, oldest first

Official vendor, government CERT or advisory database

Technical details

ID
CVE-2026-113175
CVSS
8.8 / 10
EPSS
0.4% chance of exploitation within 30 days
Disclosed
20 Oct 2026, 22:19 UTC
On Zero Radar
before the radar started
Last change
27 Oct 2026, 03:00 UTC

The plain-language parts and the attack diagram were written by an AI model (anthropic/claude-haiku-5.5) from the sources above. Facts like versions, exploitation and dates come from the sources themselves. How Zero Radar works

Google Chrome: flaw in file handling lets web pages run code in the browser sandbox · Zero Radar