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.
Weekly headline count for the current query.
CVE-2025-47981 has the “unfortunate hallmarks of becoming a significant problem,” said WatchTowr’s CEO
The new Remcos RAT variant identified in a new phishing campaign exploits CVE-2017-0199 via malicious Excel files
CVE-2024-38173 is a medium severity RCE flaw in Microsoft Outlook, similar to CVE-2024-30103
The CVE-2024-6768 flaw in the Windows CLFS.sys driver can lead to BSOD
CVE-2024-21412 was used to evade Microsoft Defender SmartScreen and implant victims with DarkMe
Fortinet suggests attackers are leveraging vulnerabilities like CVE-2021-40444 and CVE-2022-30190
The phishing emails contained Microsoft Word documents that exploited the CVE-2017-11882 flaw