---
id: "CVE-2026-121216"
kind: "vulnerability"
aliases: ["CVE-2026-121216"]
title: "Google Chrome: UI spoofing via crafted HTML page before 157.0.8103.38"
severity: "medium"
cvss: null
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["browser", "chrome", "desktop", "package"]
not_affected_if: ["chrome-at-or-above-157.0.8103.38"]
published_at: "2026-11-03T21:17:31+00:00"
first_seen_at: "2026-11-03T21:19:27+00:00"
updated_at: "2026-11-03T21:22:32+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-121216", "first_seen_at": "2026-11-03T21:19:27+00:00"}]
---

# Google Chrome: UI spoofing via crafted HTML page before 157.0.8103.38

A flaw in Chrome's user interface lets a remote attacker spoof UI elements by serving a crafted HTML page, combined with social engineering. The sources do not state a direct code execution or data theft outcome.

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

## How to check

- Check the installed Chrome version in the browser's About page or with `chrome://version`
- Compare against the fixed version `157.0.8103.38`

## Fix

- Google Chrome: move to `157.0.8103.38` or later

## Timeline

- 2026-11-03T21:19:27+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-121216

## From the sources

UI misrepresentation in UI in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)

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