Critical Vulnerability Discovered in Microsoft Copilot: Data Theft via Single URL Click
Published:Jan 15, 2026 05:00
•1 min read
•Gigazine
Analysis
This vulnerability poses a significant security risk to users of Microsoft Copilot, potentially allowing attackers to compromise sensitive data through a simple click. The discovery highlights the ongoing challenges of securing AI assistants and the importance of rigorous testing and vulnerability assessment in these evolving technologies. The ease of exploitation via a URL makes this vulnerability particularly concerning.
Key Takeaways
- •A vulnerability in Microsoft Copilot allows for the theft of sensitive data through a single URL click.
- •The vulnerability was discovered by Varonis Threat Labs.
- •This highlights the security risks associated with AI assistants and the need for robust security measures.
Reference
“Varonis Threat Labs discovered a vulnerability in Copilot where a single click on a URL link could lead to the theft of various confidential data.”