Windows 365 — Cyber Threats, Attacks & Incidents

Related Threat Clusters

• Ransomware Fuels Surge in Global Cyberattacks

  As of February 12, 2026, organizations worldwide are experiencing an average of 2,090 cyber-attacks per week, largely driven by ransomware incidents. This increase highlights the ongoing challenges faced by businesses…

  1553 articles · Updated February 12, 2026
• Windows 10 Reaches End of Support; Microsoft Offers Extended Security Updates

  On October 14, 2025, Microsoft officially ended support for Windows 10, leaving users without security updates unless they enroll in the Extended Security Updates (ESU) program. Following this, Microsoft addressed…

  15 articles · Updated November 23, 2025
• Windows 11 23H2 Faces Shutdown Issues After January 2026 Update

  Microsoft has acknowledged issues affecting Windows 11 23H2 devices following the January 13, 2026, security updates. Systems with 'Secure Boot' or System Guard Secure Launch enabled may experience failures to shut down…

  23 articles · Updated January 16, 2026
• Emergence of Agentic AI Raises Governance and Security Challenges

  In 2026, the rise of agentic AI is transforming how businesses operate, particularly in the financial services sector. This new technology allows for autonomous decision-making, which increases the potential impact of…

  3460 articles · Updated February 10, 2026
• Microsoft January 2026 Update Causes Remote Desktop Credential Failures

  Microsoft's January 2026 security update, KB5074109, has caused credential prompt failures for users accessing Azure Virtual Desktop and Windows 365 environments. The issue affects Windows 11 versions 24H2 and 25H2,…

  3 articles · Updated January 19, 2026
• Microsoft Issues Emergency Fix for Azure Virtual Desktop Authentication Issues

  Microsoft released an out-of-band update to address credential authentication failures impacting Azure Virtual Desktop and Windows 365 connections. These issues arose following the January 2026 security update and are…

  2 articles · Updated January 21, 2026
• Microsoft Introduces MXC to Secure AI Agents in Enterprise Environments

  Microsoft announced the launch of Microsoft Execution Containers (MXC) at its Build conference on June 2, 2026, aimed at providing a secure execution environment for AI agents. This new policy-driven execution layer…

  10 articles · Updated June 2, 2026
• Microsoft Windows Updates Cause Access Issues for Cloud PC Users

  Microsoft's January 2026 updates have led to significant access issues for users of Windows 365 and RemoteApp connections. Customers reported credential prompt failures and sign-in issues with their Cloud PC sessions…

  9 articles · Updated January 15, 2026
• Microsoft Extends Hotpatch Support for Windows Server 2022 Datacenter Until 2027

  Microsoft has announced an extension of hotpatch update support for Windows Server 2022 Datacenter: Azure Edition until October 2027. This extension allows organizations to apply security updates without requiring a…

  5 articles · Updated June 29, 2026
• Microsoft Resolves Windows Autopatch Driver Update Bug in EU

  Microsoft has addressed a bug in its Windows Autopatch service that inadvertently deployed restricted driver updates on certain Windows devices in the European Union. The issue specifically impacted devices running…

  2 articles · Updated May 14, 2026

Recent Intelligence Reports

• Microsoft extends Windows Server 2022 hotpatching until October 2027 — Bleepingcomputer · June 29, 2026
• Targeted Campaign Us Law Firms — cloud.google.com · June 10, 2026
• If you don't fall for these extortionists' calls, they'll show up with USB sticks — Theregister · June 5, 2026
• Seeking Counsel: Ongoing Targeted Campaign Against US Law Firms — Mandiant · June 5, 2026
• Microsoft launches MXC, an OS-level sandbox for AI agents, with OpenAI and Nvidia ... — Venturebeat · June 2, 2026
• Microsoft fixes Windows Autopatch bug installing restricted drivers — Bleepingcomputer · May 13, 2026
• Microsoft takes Agent 365 out of preview as shadow AI becomes an enterprise threat — Venturebeat · May 4, 2026
• Microsoft Releases Emergency Fix for Azure Virtual Desktop, Windows 365 Authentication Failures — Redmondmag · January 21, 2026

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