The newly discovered flaw in Microsoft's SharePoint software has allowed hackers to target dozens of companies and organizations. Only a partial fix has been issued.

A global cyberattack is unfolding as hackers exploit a critical zero-day vulnerability in Microsoft's SharePoint software, threatening tens of thousands of on-premises servers used by

Microsoft has issued an urgent alert after hackers began exploiting a critical SharePoint Server flaw. The FBI and CISA are responding as agencies and businesses are targeted.