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

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

Microsoft has released emergency security updates to patch a high-severity Office zero-day vulnerability exploited in attacks ...

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

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

Microsoft releases a new Edge update with critical security fixes, addressing a high-severity Chromium vulnerability for desktop users.

Microsoft released an out-of-band update Friday to resolve credential authentication failures affecting Azure Virtual Desktop and Windows 365 connections that emerged after the company's January 2026 ...

Windows users are, understandably, given the size of the operating system market share, a prime target for attackers of all kinds, from nation-state espionage actors to hackers and scammers. Windows ...

How a simple link allowed hackers to bypass Copilot's security guardrails - and what Microsoft did about it ...

Read strategies and leadership insights to help government agencies protect sensitive data and strengthen overall ...

Microsoft is attempting to build a unified platform for cloud-based security with its Sentinel product. At its core, Sentinel is a security information and event management (SIEM) system that collects ...

Microsoft CEO Satya Nadella is expected to discuss Azure growth, Copilot adoption and customer appetite for Defender, Purview and other security products during the Q2 earnings call.