UPDATED Microsoft has chosen not to tell customers about a recently patched vulnerability in M365 Copilot. The issue allowed ...

Microsoft Copilot’s audit log flaw creates blind spots for attackers, leaving security teams struggling to trace activity.

Microsoft fixed 111 vulnerabilities, including a Windows Kerberos zero-day enabling full AD compromise via BadSuccessor.

Today is Microsoft's August 2025 Patch Tuesday, which includes security updates for 107 flaws, including one publicly ...

The researchers at Aim Security dubbed the flaw “EchoLeak.” Microsoft told Fortune that it has already fixed the issue in Microsoft 365 Copilot and that its customers were unaffected.

This latest security issue highlights the challenges of security in an AI era.

The bug, tracked as CVE-2025-31199, could allow hackers to access files in the Downloads folder, as well as caches utilized by Apple Intelligence. Microsoft dubbed the vulnerability “Sploitlight” ...

A security patch Microsoft (MSFT.O), opens new tab released this month failed to fully fix a critical flaw in the U.S. tech ...

July 21 (UPI) -- An investigation is underway after hackers used a security flaw in Microsoft software to internationally infiltrate agencies and businesses over the weekend.