How do I check whether I am affected by CVE-2026-113253?

Open chrome://settings/help and read the version; it is affected if it is below 156.0.8078.47.

What is the fix for CVE-2026-113253?

Update Google Chrome to 156.0.8078.47 or later.

Who is not affected by CVE-2026-113253?

Not affected if: already-updated-chrome.

Live › vulnerability › CVE-2026-113253

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high8.8Runtime

Chrome: Canvas use-after-free lets a crafted page run code

A use-after-free bug in Chrome's Canvas component lets a remote attacker run arbitrary code inside the browser sandbox through a crafted HTML page. Visiting an attacker-controlled page is enough to trigger it.

Summary written from the sources below. Check the originals before acting.

CVSS 3.x

8.8

high

scored by 134c704f-9b21-4f2e-91b3-4a467353bcc0

known so far4 of 6

missing: primary source, exploitation

First public: Oct 20, 2026 UTC
Last modified: Oct 22, 2026
Status: open
Known exploitation: None reported
Public exploit: None on GitHub
EPSS: not scored

First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.

Why it is high, and not just CVSS

Likelihood → · Impact ↓

critical

high

medium

high

medium

low

medium

low

Exploited: No reports yet.
Needs login: No.
Needs a special setup: No.
Reachable from: internet.
Worst case: Attacker runs code inside the browser sandbox after a visit to a crafted page.
CVSS said: 8.8. The facts above say critical; we keep the sources' high until an analyst looks.

Who is affected

1 product

Know the next one before it finds you.

Add to Slack

Live › vulnerability › CVE-2026-113253

Go to dashboard

high8.8Runtime

Chrome: Canvas use-after-free lets a crafted page run code

Summary written from the sources below. Check the originals before acting.

CVSS 3.x

8.8

high

scored by 134c704f-9b21-4f2e-91b3-4a467353bcc0

known so far4 of 6

missing: primary source, exploitation

First public: Oct 20, 2026 UTC
Last modified: Oct 22, 2026
Status: open
Known exploitation: None reported
Public exploit: None on GitHub
EPSS: not scored

First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.

Why it is high, and not just CVSS

Likelihood → · Impact ↓

critical

high

medium

high

medium

low

medium

low

Exploited: No reports yet.
Needs login: No.
Needs a special setup: No.
Reachable from: internet.
Worst case: Attacker runs code inside the browser sandbox after a visit to a crafted page.
CVSS said: 8.8. The facts above say critical; we keep the sources' high until an analyst looks.

Who is affected

1 product

Know the next one before it finds you.

Add to Slack

Chrome: Canvas use-after-free lets a crafted page run code

Why it is high, and not just CVSS

Who is affected

Know the next one before it finds you.

Chrome: Canvas use-after-free lets a crafted page run code

Why it is high, and not just CVSS

Who is affected

Know the next one before it finds you.

How to check

The fix

Who had it, and when

What the sources say, verbatim

Sources