The researchers at Aim Security dubbed the flaw “EchoLeak.” Microsoft told Fortune that it has already fixed the issue in Microsoft 365 Copilot and that its customers were unaffected.

Microsoft has patched a critical Copilot Enterprise flaw that gave researchers root access but controversially rated it ...

The bug, tracked as CVE-2025-31199, could allow hackers to access files in the Downloads folder, as well as caches utilized ...

Microsoft has expanded its .NET bug bounty program and increased rewards to $40,000 for some .NET and ASP.NET Core ...

Microsoft declined to comment on the GPT-5 references in Copilot, and the company isn’t commenting on its new smart mode, ...

Microsoft is developing 'Copilot Wallet' for one-click AI shopping, part of a broader strategy to create autonomous agents ...

Microsoft used Security Copilot to scan open source bootloaders for vulnerabilities It discovered 20 new flaws in just a short time Microsoft says the AI tool saved the company at least a week of work ...

An investigation is underway after hackers used a security flaw in Microsoft software to internationally infiltrate agencies ...

A security patch Microsoft (MSFT.O), opens new tab released this month failed to fully fix a critical flaw in the U.S. tech ...