critical severity ยท published 2026-11-03
A remote attacker can run their own code on the computer outside Chrome's sandbox through a crafted web page, using a use after free flaw in the Browser component of Chrome. Chromium rates it Low.
Fixed in: 157.0.8103.38
CVE: CVE-2026-121189
Source: NVD
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 758 and your operating system.