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Malicious instructions in shared docs exploit Copilot vulnerability

A security vulnerability has been discovered in Microsoft Copilot that allows malicious instructions within shared documents to alter content and spread to other documents. This "AI worm"-like behavior is not fully mitigated by customer-side actions, and Microsoft has not yet released a comprehensive fix for the broader vulnerability class. The issue highlights the risks associated with relying on AI tools for document creation and editing. AI

IMPACT Highlights risks of AI-driven document manipulation and the need for robust security in integrated AI tools.

RANK_REASON Security vulnerability in an AI-powered productivity tool.

Read on Mastodon — mastodon.social →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Malicious instructions in shared docs exploit Copilot vulnerability

COVERAGE [1]

  1. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    lol > Malicious instructions hidden in an externally shared document could make Copilot alter drafted or edited documents in Word and propagate the attack to ne

    lol > Malicious instructions hidden in an externally shared document could make Copilot alter drafted or edited documents in Word and propagate the attack to new documents. [...] > Customer action: No customer-side remediation fully addresses the issue at the time of publication …