---
id: "CVE-2026-126907"
page: "https://infrastack.ai/live/CVE-2026-126907"
kind: "vulnerability"
aliases: ["CVE-2026-126907"]
title: "Chrome on Windows: media flaw lets a compromised renderer read sandbox memory"
severity: "high"
cvss: null
epss: null
exploited: false
status: "open"
category: "other"
products: [{"name": "Google Chrome", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["browser", "chrome", "other", "windows"]
not_affected_if: ["chrome-updated"]
published_at: "2026-11-11T23:17:20+00:00"
first_seen_at: "2026-11-11T23:29:40+00:00"
updated_at: "2026-11-11T23:31:42+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-126907", "first_seen_at": "2026-11-11T23:29:40+00:00"}]
exploit_sources: []
---

# Chrome on Windows: media flaw lets a compromised renderer read sandbox memory

Link for people: https://infrastack.ai/live/CVE-2026-126907 (this .md is for agents)

An uninitialized resource in Chrome's Media component on Windows can be abused by an attacker who has already compromised the renderer process via a crafted HTML page. The attacker could read memory outside the browser sandbox.

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

## Affected

- vendor:Google Chrome affected range not listed fixed no fixed version listed

## How to check

- Check the installed Chrome version in the browser's About page or with `chrome://version`; versions before `157.0.8103.78` are affected.

## Fix

- Google Chrome on Windows: move to `157.0.8103.78` or later.

## Timeline

- 2026-11-11T23:29:40+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-126907

## From the sources

Uninitialized resource in Media in Google Chrome on on Windows prior to 157.0.8103.78 allowed a remote attacker who had compromised the renderer process to potentially read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)

---

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