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Microsoft 365 Copilot SearchLeak: One-Click Data Exfiltration
HIGH
Vulnerabilities

Microsoft 365 Copilot SearchLeak: One-Click Data Exfiltration

Varonis Threat Labs uncovered 'SearchLeak', a one-click flaw in Microsoft 365 Copilot Enterprise Search allowing exfiltration of emails, files, and MFA codes.

Runtime Rebel Intel
5 min read·Jun 15, 2026