ESET, a Slovak cybersecurity company, has reported that a newly patched zero-day vulnerability in the Windows Win32 Kernel Subsystem has been exploited in attacks since March 2023. The vulnerability,

Patch Tuesday includes six actively exploited zero-day vulnerabilities. Learn about the critical vulnerabilities and why immediate updates are essential.

Slovak cybersecurity company ESET says a newly patched zero-day vulnerability in the Windows Win32 Kernel Subsystem has been exploited in attacks since March 2023.

Microsoft's released its monthly Patch Tuesday update for March 2025 to fix 57 bugs across Windows, Office, Azure, and other Microsoft systems. Seven of the patches address zero-day vulnerabilities, six of which have been actively exploited.