high severity ยท published 2026-10-27
A double free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network. Microsoft fixed it in version 154.0.4258.48.
Fixed in: 154.0.4258.48
CVE: CVE-2026-83831
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 558 and your operating system.