New estimates regarding the recently-exploited Microsoft SharePoint vulnerabilities now evaluate that as many as 400 organizations may have been targeted.

Microsoft’s widely used collaboration platform, SharePoint, has come under threat from hackers exploiting a dangerous zero-day vulnerability. This flaw affects on-premises SharePoint servers—the kind many governments,

Hackers have been exploiting a vulnerability to attack SharePoint and connected Microsoft services in what will be a big problem for corporate Mac users this week.

Multiple hacking groups—including state actors from China—have targeted a vulnerability in older, on-premises versions of the file-sharing tool after a flawed attempt to patch it.

A critical vulnerability in on-premise SharePoint servers allowed state-backed hackers to breach governments and institutions worldwide. Experts are questioning why more hasn't been done or said.

Microsoft contained a major SharePoint security flaw, amid fresh questions about the future of its legacy on-premises software.

Department of Homeland Security headquarters, several of its agencies and the Department of Health and Human Services have been hacked as part of a wider breach of Microsoft SharePoint.​

Microsoft has released a critical patch for a security flaw in its SharePoint software. Hackers actively exploited this vulnerability, targeting businesses and US government agencies. The company issued the fix between July 19 and 20.