Microsoft

45 summarised stories about Microsoft, each linking back to the original source. Browse all topics →

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Tuesday, 18 August 2026

Microsoft Copilot reveals secret input that allowed it to be hacked

Ars Technica 1 week ago 39

Researchers at Varonis discovered a critical vulnerability in Microsoft 365 Copilot Enterprise by repeatedly questioning the AI about its safety guardrails, eventually extracting an undocumented prompt parameter that bypassed user-consent requirements. The parameter allowed attackers to exfiltrate sensitive user data like passwords through a simple link click without any user action. This vulnerability exposes how Copilot's security mechanisms can be undermined through social engineering of the model itself, potentially affecting all users relying on these guardrails for protection.

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Microsoft Stock Drops Over AI Chip Supply Questions

the Guardian 1 week ago 42

Microsoft's stock fell after The Guardian reported a significant gap between the company's claimed AI chip capacity and what internal documents show it actually has deployed; the company said it would have roughly 6.4 million advanced AI chips operational by now but internal documents indicate it has only 2.2 million installed across its datacentres. The discrepancy suggests Microsoft's massive $280 billion datacentre expansion is progressing slower than public statements indicate, with some facilities not yet fully operational or lacking sufficient chips to run at capacity. This raises questions about the pace of AI infrastructure buildout across the industry and makes it harder to assess whether the broader AI boom is proceeding as fast as companies have claimed.

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