published 2026-11-12
The SignDrop exploit abuses the Windows Common Log File System together with Microsoft Defender to create arbitrary files in the context of the antimalware process, which runs as SYSTEM. This turns a security feature into full SYSTEM-level access on the machine.
Source: @TheHackersNews on X
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 2635 and your operating system.