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SearchLeak: silent vulnerability exposes Microsoft 365 Copilot data

Varonis Threat Labs security researchers discovered SearchLeak, a vulnerability compromising Microsoft 365 Copilot security.

Published 13sem1 sourceImportant
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The fact

The flaw enables unauthorized access to sensitive data without triggering obvious detection mechanisms.

Microsoft has been notified and patches are being deployed to protect affected users.

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Auto-synthesis from 1 media source · identified on June 16, 2026
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