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

Microsoft confirms Chinese hackers exploited a SharePoint flaw; Patches now available. Cloud-based Microsoft 365 not affected.

Microsoft has released security patches for the zero-day vulnerability chain dubbed ToolShell, capable of remote code execution on SharePoint, resulting in the exploitation of at least 54 organizations worldwide.

Microsoft is issuing an emergency fix to close off a vulnerability in Microsoft’s SharePoint software that hackers have exploited to carry out widespread attacks on businesses and at least some federal agencies.

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

Microsoft Corporation (NASDAQ: MSFT) is one of the best 52-week high stocks to buy now. On July 21, the software giant released a patch for a vulnerability that affected the servers of the SharePoint document management software.

Microsoft is investigating whether a leak from its early alert system for cybersecurity companies allowed Chinese hackers to exploit flaws in its SharePoint service before they were patched, Bloomberg News reported on Friday.

Microsoft is probing whether a leak from its Microsoft Active Protections Program (MAPP)—an early warning system for cybersecurity partners—may have enabled Chinese hackers to exploit unpatched vulnerabilities in its SharePoint server software.