Microsoft has released security updates addressing the exploited vulnerabilities and urged all customers to apply patches without delay.

Microsoft (MSFT) confirmed over the weekend that its SharePoint document management software, housed on customers’ premises, was breached. It has now emerged that the affected parties included the National Nuclear Security Administration (NNSA),

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.

Microsoft says the Chinese threat actors Linen Typhoon, Violet Typhoon, and Storm-2603 have been exploiting the ToolShell zero-days.

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

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.

A global attack on Microsoft server software used by thousands of government agencies and businesses to share documents within organisations is likely the work of a single actor, a cybersecurity researcher said on Monday.

A major cyber espionage campaign exploiting a previously unknown vulnerability in Microsoft’s self-hosted SharePoint software has compromised nearly 100 organizations, according to cybersecurity firms Eye Security and the Shadowserver Foundation.