Microsoft SharePoint zero-day vulnerability attack affects local servers.

date
23/07/2025
Microsoft is facing a major cybersecurity threat, with its SharePoint server software being targeted by a "zero-day vulnerability" attack. The company has released security patches and is cooperating with federal agencies to mitigate risks. This breach has raised concerns about vulnerabilities in local servers, potentially impacting tens of thousands of systems worldwide. The U.S. Cybersecurity and Infrastructure Security Agency has instructed federal agencies to take immediate mitigation measures, while analysts urge businesses to accelerate their cloud migration and implement real-time threat detection. Attackers are exploiting an undisclosed vulnerability in Microsoft SharePoint Server, with security researchers confirming that dozens of servers worldwide have been compromised since the attacks began on July 18th.