"In an Exchange hybrid deployment, an attacker who first gains administrative access to an on-premises Exchange server could ...

Microsoft has confirmed a widespread issue in Windows Server Update Services (WSUS) that prevents organizations from syncing with Microsoft Update and deploying the latest Windows updates.

A cyber-espionage campaign centered on vulnerable versions of Microsoft's server software now involves the deployment of ransomware, Microsoft said in a late Wednesday blog post.

No reported in-the-wild exploits…yet Microsoft and the feds late Wednesday sounded the alarm on another high-severity bug in ...

A sweeping cyber espionage operation targeting Microsoft server software compromised about 100 organizations as of the weekend, two of the organizations that helped uncover the campaign said.

The attacks exploit a previously unknown vulnerability in Microsoft's document-sharing system.

(1st UPDATE) Microsoft says the vulnerabilities apply only to SharePoint servers used within organizations. There are now security updates for the SharePoint Subscription Edition and Server 2019 ...

Is Microsoft Outlook down right now? Are Hotmail email servers down today? What does Down Detector say? What we know.

Microsoft has issued an alert about “active attacks” on server software used by government agencies and businesses to share documents within organizations and recommended security updates that ...

Is Outlook down right now? Is Hotmail login down today? What does Down Detector say about Microsoft email server outage? What we know.

WASHINGTON/LONDON (Reuters) -A sweeping cyber espionage operation targeting Microsoft server software compromised about 100 organizations as of the weekend, two of the organizations that helped ...