Vulnerability-Management
- March 2026 Patch Tuesday: 78 Vulnerabilities, Two Publicly Disclosed Zero-Days, and a Copilot Data Exfil Bug
Microsoft's March 2026 Patch Tuesday dropped 78 fixes including two publicly disclosed zero-days and a critical Excel flaw that could let Copilot silently exfiltrate your data. The patching window is collapsing -- here's what to prioritise.