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

The privilege escalation flaw in the Win23k driver affects older versions of Windows and is one of six zero-day vulnerabilities fixed by Microsoft in its March patch cycle.

Microsoft releases its Patch Tuesday security update. The March update includes patches for seven zero-day flaws, six of which are actively exploited, along with several dozen other vulnerabilities.

Compared to past months, the number of security fixes released for March is down, but that doesn’t mean IT admins won’t be busy.

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,