# Microsoft Copilot reveals secret input that allowed it to be hacked

Published: 2026-08-18 · Updated: 2026-08-18 · Category: Safety

Source page: https://www.sipply.dev/story/microsoft-copilot-reveals-secret-input-that-allowed-it-to-be-7bb9775f · 中文: https://www.sipply.dev/zh/story/microsoft-copilot-reveals-secret-input-that-allowed-it-to-be-7bb9775f

## Summary

Recent research by Varonis has revealed a significant vulnerability in Microsoft 365 Copilot that could potentially expose sensitive user data. By probing the system's safety mechanisms, the researchers discovered a secret input parameter that allowed them to extract information without the necessary user consent. This incident raises serious concerns about the security protocols in place for AI systems and the potential risks they pose to user privacy.

## Key takeaways

- A vulnerability in Microsoft 365 Copilot was exploited to access sensitive data.
- The exploit involved a secret input parameter that bypassed user consent.
- This incident highlights the need for stronger security measures in AI applications.

## Why it matters

The discovery of this vulnerability underscores the ongoing challenges in ensuring the security of AI systems, particularly as they become more integrated into everyday business processes. Protecting user data is critical in maintaining trust in AI technologies.

- **Product managers:** Product managers must prioritize security features in AI products to prevent similar vulnerabilities, ensuring that user data is protected and compliance with data privacy regulations is maintained.
- **Developers:** Developers should be aware of potential security flaws in AI systems and implement robust testing and validation processes to safeguard against unauthorized data access.
- **Students and job seekers:** For students and job-seekers, understanding the implications of security vulnerabilities in AI can inform their career choices and highlight the importance of cybersecurity skills in the tech industry.

## Sources

- [Microsoft Copilot reveals secret input that allowed it to be hacked](https://arstechnica.com/security/2026/08/microsoft-copilot-reveals-secret-input-that-allowed-it-to-be-hacked) (Ars Technica AI, 2026-08-18)

## 中文

### Microsoft Copilot 揭示了允许其被黑客攻击的秘密输入

最近，Varonis 的研究揭示了 Microsoft 365 Copilot 中的一个重大漏洞，可能会暴露敏感用户数据。研究人员通过探测系统的安全机制，发现了一个秘密输入参数，使他们能够在没有必要的用户同意的情况下提取信息。此事件引发了对 AI 系统安全协议及其对用户隐私潜在风险的严重关注。

**要点：**

- Microsoft 365 Copilot 中的一个漏洞被利用以访问敏感数据。
- 该漏洞涉及一个绕过用户同意的秘密输入参数。
- 此事件强调了在 AI 应用中需要更强的安全措施。

**为什么重要：** 这一漏洞的发现凸显了确保 AI 系统安全的持续挑战，尤其是在它们越来越多地融入日常业务流程时。保护用户数据对于维护对 AI 技术的信任至关重要。

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