securityBACKGROUND
Microsoft Copilot for Word Can Copy Hidden Prompts Into New Documents
BACKGROUND
1 SIGNALFIRST DETECTED 30 July 2026
Narrative synthesis pending — 1 signal collected.
How the story developed
30 Jul
Microsoft Copilot for Word Can Copy Hidden Prompts Into New Documents
REPORT · WHAT · The Hacker News
Other feeds and industry voices
30 Jul
Hidden prompt turns Microsoft Copilot into an AI worm
A new type of attack can trick Microsoft Copilot for Word into spreading hidden prompt injections from document to document.
REPORT · WHAT · Malwarebytes LabsOPEN STORY
15 Jun
New attack turned Microsoft 365 Copilot into 1-click data theft tool
A critical vulnerability chain dubbed SearchLeak in Microsoft 365 Copilot Enterprise could allow attackers to steal sensitive data from a target's mailbox, OneDrive, or SharePoint
REPORT · WHAT · BleepingComputerOPEN STORY
18 Aug
Microsoft Copilot Personal Flaws Could Let One Click Exfiltrate Data From Connected Apps
Varonis Threat Labs has disclosed three vulnerabilities in Microsoft Copilot Personal that it said could allow a single click on a crafted link to silently pull data from
REPORT · WHO · The Hacker NewsOPEN STORY
Sources
The Hacker News
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