18 Apr, 2026

Microsoft stops force-installing the Microsoft 365 Copilot app

Microsoft has stopped automatically installing the Microsoft 365 Copilot app on Windows devices that have the Microsoft 365 desktop client apps. The Microsoft 365 Copilot app integrates the AI-powered Copilot assistant with Microsoft 365 suite apps, including Word, Excel, and PowerPoint, as well as other features like AI agents and Notebooks. The forced rollout began […]

2 mins read

Microsoft adds Copilot data controls to all storage locations

Microsoft is expanding data loss prevention (DLP) controls to block the Microsoft 365 Copilot AI assistant from processing confidential Word, Excel, and PowerPoint documents, regardless of their location. Currently, Microsoft Purview DLP policies apply only to files stored in SharePoint or OneDrive, but not to those stored on local devices. This change will be deployed through […]

2 mins read

AI platforms can be abused for stealthy malware communication

AI assistants like Grok and Microsoft Copilot with web browsing and URL-fetching capabilities can be abused to intermediate command-and-control (C2) activity. Researchers at cybersecurity company Check Point discovered that threat actors can use AI services to relay communication between the C2 server and the target machine. Attackers can exploit this mechanism to deliver commands and retrieve […]

3 mins read

Microsoft says bug causes Copilot to summarize confidential emails

Microsoft says a Microsoft 365 Copilot bug has been causing the AI assistant to summarize confidential emails since late January, bypassing data loss prevention (DLP) policies that organizations rely on to protect sensitive information. According to a service alert seen by GeekFeed, this bug (tracked under CW1226324 and first detected on January 21) affects the Copilot “work […]

3 mins read

Microsoft Copilot Studio extension for VS Code now publicly available

Microsoft announced that the Copilot Studio extension for the Visual Studio Code (VS Code) integrated development environment is now available to all users. Developers can use it to build and manage Copilot Studio agents directly from VS Code using standard software development workflows. The VS Code cross-platform code editor is used by a large number of developers […]

2 mins read

Reprompt attack let hackers hijack Microsoft Copilot sessions

Researchers identified an attack method dubbed “Reprompt” that could allow attackers to infiltrate a user’s Microsoft Copilot session and issue commands to exfiltrate sensitive data. By hiding a malicious prompt inside a legitimate URL and bypassing Copilot’s protections, a hacker could maintain access to a victim’s LLM session after the user clicks on a single […]

3 mins read

Microsoft may soon allow IT admins to uninstall Copilot

Microsoft is testing a new policy that allows IT administrators to uninstall the AI-powered Copilot digital assistant on managed devices. The new RemoveMicrosoftCopilotApp policy began rolling out today to systems in the Dev and Beta Insider channels that have installed Windows 11 Insider Preview Build 26220.7535 (KB5072046). As the Windows Insider team explained in a […]

2 mins read

Are Copilot prompt injection flaws vulnerabilities or AI limits?

Microsoft has pushed back against claims that multiple prompt injection and sandbox-related issues raised by a security engineer in its Copilot AI assistant constitute security vulnerabilities. The development highlights a growing divide between how vendors and researchers define risk in generative AI systems. AI vulnerabilities or known limitations? “Last month, I discovered 4 vulnerabilities in Microsoft […]

5 mins read

Microsoft investigates Copilot outage affecting users in Europe

Microsoft is working to mitigate an ongoing incident that has been blocking users in Europe from accessing the company’s AI-powered Copilot digital assistant. Additionally, some users who can access the affected service may experience degraded functionality with specific features. “We’re investigating an issue in which users in the United Kingdom may be unable to access Microsoft Copilot, or […]

2 mins read

Microsoft: Running multiple Office apps causes Copilot issues

Microsoft is investigating a bug that causes Copilot issues when multiple Office apps are running simultaneously on the same system. According to a support document published on Friday, this bug impacts Microsoft 365 customers who launch Excel, Word, PowerPoint, OneNote, Publisher, and Access on the same system. The issue is triggered when one Office application, […]

2 mins read