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HighVulnerabilityCVE-2026-113280updated 25 Oct 2026, 13:32 UTC

Google Chrome has a memory flaw that a malicious web page can exploit

A specially crafted web page could make Chrome run an attacker's code. The attacker stays inside Chrome's sandbox, which limits but does not fully stop the damage.

Fix availableOfficial, 2 sources
SeverityHighCVSS 8.8 of 10
Being exploited?UnclearNo reports either way yet
Fix available?YesChrome 156.0.8078.47 (Linux) and 156.0.8078.47/.48 (Windows/Mac) · since 25 Oct 2026
How sure is this?Official, 2 sourcesBacked by an official source

How the attack works simplified

  1. 1Attacker builds pageCrafted HTML triggers the Paint bug
  2. 2User visits pageChrome renders the malicious content
  3. 3Memory corruptedPaint component mishandles memory
  4. 4Code runs in sandboxAttacker runs code inside the browser sandbox
  5. ResultAttacker runs code inside Chrome's sandbox

What happened

Memory corruption in the Paint component of Google Chrome 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 with a vulnerable Chrome can be targeted, which can lead to data theft or further attacks on the computer.

Are you affected?

You are affected if you run Google Chrome on Windows, Mac or Linux with a version earlier than 156.0.8078.47.

Google Chrome on Windows, Mac and Linux prior to 156.0.8078.47

What to do

  1. Update Google Chrome to version 156.0.8078.47 or later (156.0.8078.47/.48 on Windows and Mac)
  2. Restart Chrome after the update so the fix takes effect
  3. Avoid opening links from unknown or untrusted sources until updated

Timeline

  1. 20 Oct 2026, 20:09 UTC
    Publicly disclosed
  2. 20 Oct 2026, 20:09 UTC
    Reported by Chrome Releases · Chrome Releases
  3. 20 Oct 2026, 22:19 UTC
    Reported by NVD · NVD

Sources 2 reports, oldest first

Official vendor, government CERT or advisory database

Technical details

ID
CVE-2026-113280
CVSS
8.8 / 10
EPSS
0.5% chance of exploitation within 30 days
Disclosed
20 Oct 2026, 20:09 UTC
On Zero Radar
before the radar started
Last change
25 Oct 2026, 13:32 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 has a memory flaw that a malicious web page can exploit · Zero Radar