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Latest coverage for Microsoft

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.

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Trend Micro Research, News and Perspectives 1 year, 3 months ago

A Deep Dive into Water Gamayun’s Arsenal and Infrastructure

Trend Research discusses the delivery methods, custom payloads, and techniques used by Water Gamayun, the suspected Russian threat actor abusing a zero-day vulnerability in the Microsoft Management Console framework (CVE-2025-26633) to execute malicious code on infected machines.

Google has released out-of-band fixes to address a high-severity security flaw in its Chrome browser for Windows that it said has been exploited in the wild as part of attacks targeting organizations in Russia.  The vulnerability, tracked as CVE-2025-2783, has been described as a case of "incorrect handle provided in unspecified circumstances in Mojo on Windows." Mojo refers to a

Trend Micro Research, News and Perspectives 1 year, 3 months ago

CVE-2025-26633: How Water Gamayun Weaponizes MUIPath using MSC EvilTwin

Trend Research identified Russian threat actor Water Gamayun exploiting CVE-2025-26633, a zero-day vulnerability in the Microsoft Management Console that attackers exploit to execute malicious code and exfiltrate data.