Research · InfosecFeed Brief
Microsoft Copilot for Word Can Copy Hidden Prompts Into New Documents
What you need to know
Hidden instructions in a Word document can make Microsoft 365 Copilot rewrite figures in a report, then copy the same instructions into the finished file. Håkon Måløy disclosed the technique on July 28, 144 days after reporting it to Microsoft. In his proof of concept, the internally generated file triggered the same behavior when it was used in a second…
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Read the original report at The Hacker News ↗
This is an InfosecFeed curated brief based on reporting from The Hacker News. InfosecFeed does not claim ownership of the original reporting.