Chrome buffer overflow in Media, CVE-2026-121047

high severity ยท published 2026-11-03

A buffer overflow in Chrome's Media code lets a crafted web page run code inside the browser sandbox.

Fixed in: 157.0.8103.38

CVE: CVE-2026-121047

Source: NVD

Get the fix

Fixlane has a reviewed fix procedure for this incident: a read-only check first, then the fix. Ask the Telegram bot, or connect an AI agent to the Fixlane MCP server and call get_fix_prompt with incident id 686 and your operating system.