Microsoft software and cloud platforms underpin enterprise systems, so vulnerabilities and security advisories can affect identity, data, and operations.
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Background for this topic.
Microsoft is a technology company whose Windows, Microsoft 365, Azure, identity services, and developer tools form a widely deployed enterprise computing ecosystem. Its security relevance spans endpoint and server software, cloud control planes, authentication, collaboration data, and the update mechanisms used to maintain them.
Security news under this tag commonly concerns vulnerabilities requiring patching, exploits against exposed services, identity or token compromise, and misconfiguration of cloud permissions or authentication policies. Practitioners should verify affected versions and exposure, apply updates or mitigations, enforce multifactor authentication and least privilege, and monitor relevant audit logs. Incidents involving Microsoft-hosted identities or data may require rapid session and credential containment, investigation across cloud and on-premises systems, and assessment of privacy or regulatory obligations.
Recent versions of the Raspberry Robin malware are stealthier and implement one-day exploits that are deployed only on systems that are susceptible to them. [...]
Microsoft warned Outlook for Microsoft 365 users that clients might have issues connecting to email servers via Exchange ActiveSync after a January update. [...]
Microsoft has lifted a compatibility hold that blocked upgrades to Windows 11 23H2 after resolving an issue that caused desktop icons to move erratically when using Windows Copilot on multi-monitor systems. [...]
Microsoft introduced 'Sudo for Windows' today, a new Windows 11 feature allowing users to execute commands with elevated privileges from unelevated terminals. [...]
AI SPERA, a leader in Cyber Threat Intelligence (CTI)-based solutions, today announced that Criminal IP ASM (Attack Surface Management) is now available on the Microsoft Azure Marketplace. [...]
Microsoft is investigating an issue that triggers Outlook security alerts when trying to open .ICS calendar files after installing December 2023 Patch Tuesday Office security updates. [...]
Microsoft is bringing the Linux 'sudo' feature to Windows Server 2025, offering a new way for admins to elevate privileges for console applications. [...]