Prompt Injection
Prompt Injection Testing: Find and Fix Vulnerabilities
On 11 June 2025, Microsoft disclosed CVE-2025-32711 code-named EchoLeak, CVSS 9.3 a zero-click indirect prompt injection in Microsoft 365 Copilot. By sending a single crafted email with no user interaction required, an attacker could cause Copilot to access internal files and exfiltrate them to an attacker-controlled server. The chain