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.
Microsoft is rolling out new Windows 11 Insider Preview builds that improve security and performance during batch file or CMD script execution. [...]
Trend Micro has patched two critical Apex One vulnerabilities that allow attackers to gain remote code execution (RCE) on vulnerable Windows systems. [...]
Microsoft now allows more enterprise users to restore their personal settings and Microsoft Store apps from a previous Windows 11 device. [...]
The Microsoft Defender team has discovered a coordinated campaign targeting software developers through malicious repositories posing as legitimate Next.js projects and technical assessment materials, including recruiting coding tests. [...]
Microsoft has released the KB5077241 optional cumulative update for Windows 11, which comes with 29 changes, including improvements to BitLocker, a new network speed test tool, and native System Monitor (Sysmon) functionality. [...]
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. [...]
Microsoft is investigating a known issue that causes the mouse pointer to disappear in the classic Outlook desktop email client for some users. [...]