Microsoft forced to issue an emergency patch to fix an Office zero-day being actively exploited.

Most security incidents happen in the gap between knowing what matters and actually implementing security controls ...

Update, April 30, 2025: This story, originally published April 28, has been updated with further information regarding the hotpatching security update service for Windows Server 2025 users, as well as ...

Microsoft has released an urgent update to fix a critical Outlook flaw triggered by recent system patches. The issue, affecting Classic Outlook profiles with POP accounts and PSTs stored on cloud ...

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

Microsoft is warning of an issue when using a media support to install Windows 11, version 24H2, that causes the operating system to not accept further security updates. The problem occurs when using ...

A "high risk" security vulnerability was found in numerous versions of Microsoft Office. You should install the provided emergency updates ASAP.

Microsoft has linked recent reports of Windows 11 boot failures after installing the January 2026 updates to previously failed attempts to install the December 2025 security update, which left systems ...