critical severity ยท published 2026-10-27
A crafted web page can run attacker code outside the browser sandbox through a use-after-free bug in Chrome's FileSystem feature. Chromium rates it as critical.
Fixed in: 156.0.8078.73
CVE: CVE-2026-118306, CVE-2026-118331
Source: Google Chrome Releases
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 563 and your operating system.