#5
BleepingComputer
general
February 18, 2026 at 15:03 UTC
Microsoft says bug causes Copilot to summarize confidential emails
By Sergiu Gatlan
AI Summary
Microsoft disclosed a Microsoft 365 Copilot bug active since late January that causes the AI assistant to summarize confidential emails, bypassing data loss prevention (DLP) policies organizations use to protect sensitive information. The vulnerability exposes confidential corporate communications through AI summarization features. This represents a significant privacy breach affecting enterprise customers relying on DLP controls to protect sensitive data.
Relevance score: 93.0/100
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