# Microsoft Researchers Expose AI Model Backdoor Vulnerability Via Neuron Editing

> Source: <https://osintsights.com/microsoft-researchers-expose-ai-model-backdoor-vulnerability-via-neuron-editing>
> Published: 2026-11-11 09:04:57+00:00

Microsoft researchers have made a startling discovery: a mere 10 rarely used neurons in an AI model can be edited to create a hidden backdoor, allowing the model to be hijacked and turned into a remote-execution tool. This vulnerability, dubbed Lazarus, can be exploited without needing to retrain the model.