Electron apps need Chromium security backports, older builds exposed

published 2026-10-31

Electron releases carry Chromium security backports, and apps on older patch releases run a Chromium engine without them. Newer patch releases are already out.

Fixed in: 45.2.1

Source: GitHub Advisory

Am I affected?

You are affected if the installed version is older than 45.2.1. Check the version you have and update to 45.2.1 or later. The fixed version is verified against a vendor or advisory source.

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 1791 and your operating system.