critical severity ยท published 2026-11-03
A remote attacker may be able to run their own code on the computer outside Chrome's sandbox through crafted network traffic, using a use after free flaw in the Network component of Chrome. Chromium rates it Low.
Fixed in: 157.0.8103.38
CVE: CVE-2026-121073
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 700 and your operating system.