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Word worm crawls into Copilot, spreads chaos

Researcher says months of coordination with Microsoft have yet to produce a robust mitigation

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theregister.comStai leggendo5 g fa

Word worm crawls into Copilot, spreads chaos

Researcher says months of coordination with Microsoft have yet to produce a robust mitigation

originale

the-decoder.com

Timeline cronologica

mercoledì 29 luglio 2026·theregister.com
Word worm crawls into Copilot, spreads chaos
Researcher says months of coordination with Microsoft have yet to produce a robust mitigation
mercoledì 29 luglio 2026·ilsoftware.it
Un worm AI può propagarsi attraverso i documenti Word
Un prompt nascosto in Word può manipolare Copilot e replicarsi nei documenti successivi: come funziona l'attacco e come difendersi.

3 g fa

A security researcher built a self-spreading worm that hides inside Word docs and hijacks Microsoft Copilot

A security researcher has demonstrated a worm-like attack on Microsoft Copilot for Word: invisible prompt injections hidden in documents spread automatically into new files every time they're reused. Microsoft confirmed…

Leggi questa versione → originale

thenextweb.com5 g fa

Microsoft Copilot’s ‘Word worm’ still works 144 days after disclosure

A researcher showed hidden instructions in a Word file can make Copilot alter a report and infect the next document. Microsoft’s fixes did not close it.

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malwarebytes.com5 g fa

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.

Leggi questa versione → originale

dev.to5 g fa

Copilot for Word Will Copy Its Own Poison Into Every Document It Touches

A researcher just disclosed something that should worry anyone using Microsoft 365 Copilot for...

Leggi questa versione → originale

computerworld.com5 g fa

Microsoft confirms an AI worm is propagating through Copilot and other MS apps

Microsoft confirmed an AI worm self-propagating through Copilot when malicious instructions in documents replicate into new content. The worm bypasses email, DLP, endpoint security through legitimate workflows, corrupting financial documents—unprecedented supply-chain risk.

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mercoledì 29 luglio 2026·

dev.to

AI Worms in Word: How Document-Borne Threats Self-Propagate

AI Worms in Word: How Document-Borne Threats Self-Propagate - Complete guide and honest review for 2026.

giovedì 30 luglio 2026·

computerworld.com

Microsoft confirms an AI worm is propagating through Copilot and other MS apps

Although there are a few ways to mitigate the risk, the only way to block it is to get AI to differentiate instructions from data, which is impossible today.

giovedì 30 luglio 2026·

computerworld.com

Copilot worm can spread through Microsoft Word docs

Although there are a few ways to mitigate the risk, the only way to block it is to get AI to differentiate instructions from data, which is impossible today.

giovedì 30 luglio 2026·

t3n.de

Aktive Lücke in Copilot: So werden aus Word-Dokumenten Computerwürmer

Ein Sicherheitsforscher warnt vor einer Lücke in Copilot. Word-Dokumente können so manipuliert werden, dass sich schädliche Anweisungen von selbst verbreiten.

giovedì 30 luglio 2026·

thehackernews.com

Microsoft Copilot for Word Can Copy Hidden Prompts Into New Documents

Microsoft 365 Copilot prompt injection can alter report figures and copy hidden instructions into generated files, letting them affect later drafts.

giovedì 30 luglio 2026·

thenextweb.com

Microsoft Copilot’s ‘Word worm’ still works 144 days after disclosure

A researcher showed hidden instructions in a Word file can make Copilot alter a report and infect the next document. Microsoft’s fixes did not close it.

giovedì 30 luglio 2026·

malwarebytes.com

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.

giovedì 30 luglio 2026·

malwarebytes.com

Versteckte Eingabeaufforderung verwandelt Microsoft Copilot in einen KI-Wurm

Eine neue Angriffsart kann Microsoft Copilot für Word dazu verleiten, versteckte Eingabeaufforderungen von Dokument zu Dokument einzuschleusen.

giovedì 30 luglio 2026·

dev.to

Copilot for Word Will Copy Its Own Poison Into Every Document It Touches

A researcher just disclosed something that should worry anyone using Microsoft 365 Copilot for...

sabato 1 agosto 2026·

the-decoder.com

A security researcher built a self-spreading worm that hides inside Word docs and hijacks Microsoft Copilot

A security researcher has demonstrated a worm-like attack on Microsoft Copilot for Word: invisible prompt injections hidden in documents spread automatically into new files every…

Word worm crawls into Copilot, spreads chaos

Timeline cronologica

Word worm crawls into Copilot, spreads chaos

Un worm AI può propagarsi attraverso i documenti Word

A security researcher built a self-spreading worm that hides inside Word docs and hijacks Microsoft Copilot

Microsoft Copilot’s ‘Word worm’ still works 144 days after disclosure

Hidden prompt turns Microsoft Copilot into an AI worm

Copilot for Word Will Copy Its Own Poison Into Every Document It Touches

Microsoft confirms an AI worm is propagating through Copilot and other MS apps

AI Worms in Word: How Document-Borne Threats Self-Propagate

Microsoft confirms an AI worm is propagating through Copilot and other MS apps

Copilot worm can spread through Microsoft Word docs

Aktive Lücke in Copilot: So werden aus Word-Dokumenten Computerwürmer

Microsoft Copilot for Word Can Copy Hidden Prompts Into New Documents

Microsoft Copilot’s ‘Word worm’ still works 144 days after disclosure

Hidden prompt turns Microsoft Copilot into an AI worm

Versteckte Eingabeaufforderung verwandelt Microsoft Copilot in einen KI-Wurm

Copilot for Word Will Copy Its Own Poison Into Every Document It Touches

A security researcher built a self-spreading worm that hides inside Word docs and hijacks Microsoft Copilot