Microsoft has released an emergency patch for CVE-2026-21509, a zero-day Office vulnerability under active exploitation that ...

Discover Microsoft’s holistic SDL for AI combining policy, research, and enablement to help leaders secure AI systems against ...

Ukraine's Computer Emergency Response Team (CERT) says that Russian hackers are exploiting CVE-2026-21509, a recently patched vulnerability in multiple versions of Microsoft Office.

Now that Windows 10 is no longer supported, it's become a more attractive target for hackers. That doesn't mean you need to upgrade right away—here's how to stay protected.

Microsoft has announced plans to disable the 33-year-old NTLM authentication protocol by default in future Windows releases ...