Congratulations to the winners of the 2026 Microsoft Security Excellence Awards that recognize the innovative defenders who have gone above and beyond.

See how three organizations strengthen security and accelerate AI innovation with Microsoft’s family of security products.

Microsoft released out-of-band patches for an actively exploited Microsoft Office zero-day, CVE-2026-21509, a security ...

Microsoft released patches for CVE-2026-21509, a new Office zero-day vulnerability that can be exploited to bypass security features.

Microsoft’s new winapp CLI simplifies Windows app development with one-command setup, faster testing, and easier packaging.

Microsoft released an emergency Office patch to fix an actively exploited zero-day flaw that lets attackers bypass security ...

At Microsoft Ignite in November, we introduced Frontier Transformation — a holistic reimagining of business aligning AI with human ambition to help organizations achieve their highest aspirations and ...