Zero-days in .NET and SQL Server, and a handful of critical RCE bugs, form the nucleus of Microsoft's March Patch Tuesday update.

Microsoft just fixed two critical Office vulnerabilities that can be triggered simply by previewing a file in Outlook. No double-clicking or macros required.

Microsoft has dropped a grand total of 57 fixes to mark the third Patch Tuesday update of 2025 – rising to closer to 70 when third-party vulns are taken into account – including six zero-days and six ...

Today is Microsoft's April 2025 Patch Tuesday, which includes security updates for 134 flaws, including one actively exploited zero-day vulnerability. This Patch Tuesday also fixes eleven "Critical" ...