---
id: "CVE-2026-113344"
kind: "vulnerability"
aliases: ["CVE-2026-113344"]
title: "Google Chrome: memory bug in Performance lets web page run code"
severity: "high"
cvss: 8.8
epss: null
exploited: false
status: "open"
category: "runtime"
products: [{"name": "google chrome", "fixed": ["156.0.8087.47"], "affected": "< 156.0.8087.47", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["browsers", "chrome", "chromium", "desktop", "runtime"]
not_affected_if: ["already-on-fixed-version"]
published_at: "2026-10-20T22:19:29+00:00"
first_seen_at: "2026-10-23T21:57:25+00:00"
updated_at: "2026-10-23T22:34:54+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-113344", "first_seen_at": "2026-10-23T21:57:25+00:00"}]
---

# Google Chrome: memory bug in Performance lets web page run code

Google Chrome before 156.0.8078.47 has a use-after-free bug in its Performance component. A remote attacker can run arbitrary code inside the browser sandbox by getting a user to open a crafted HTML page.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:google chrome affected < 156.0.8087.47 fixed 156.0.8087.47

## How to check

Check the installed Chrome version (chrome://version) against the fixed release. The sources disagree on the fixed build number (156.0.8078.47 vs 156.0.8087.47).

## Fix

Update Google Chrome to 156.0.8087.47 or later, or to 156.0.8078.47 if that is the correct fixed build.

## Timeline

- 2026-10-23T21:57:25+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-113344

## From the sources

Use after free in Performance in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_