Excel users are warned to update now, as a critical vulnerability has been confirmed that can lead to “zero-click information disclosure” via Copilot AI Agent.

Microsoft’s March Patch Tuesday fixes 78 vulnerabilities, including Office preview pane flaws, an Excel Copilot data leak risk, and an AI-discovered 9.8 severity bug.

This month's Patch Tuesday brings over 80 fixes for various security vulnerabilities. Fortunately, none are actively being ...

Microsoft patches 84 vulnerabilities, including two public zero-days, strengthening defenses against privilege escalation and cloud token theft.

Microsoft patched 79 security vulnerabilities this month, including bugs that could let attackers escalate privileges or crash critical services.

Microsoft has confirmed that a hacker who successfully exploits a zero-day SQL vulnerability could gain system administrator privileges. Here’s how to fix it.

Microsoft rolled out a trio of AI updates this week, spanning Microsoft 365 Copilot, Security Copilot and Microsoft Foundry.

Microsoft's March security update fixes 84 flaws, including two public zero-days and a critical Excel bug that could leak data via Copilot.