Skip to content
AgentProv

2025-12 · 2025-Q4

Copilot Studio Prompt Injection Data Leak

Who actually said "do this"?

The question layer 2 asks, and failed here.
Fixable
Architectural
Vendor response
Unknown
In the wild
No
Actor
Attacker

Target

Microsoft Copilot Studio

Impact

Credit card data leaked; business logic manipulated (booking trips at $0)

Root cause

No-code agent platform allows employees to build AI agents without robust input validation

Sources

Catalog

Cite this: AgentProv incident record: Copilot Studio Prompt Injection Data Leak (2025-12). https://agentprov.com/incidents/2025-12-copilot-studio-prompt-injection-data-leak