Hackers exploiting SharePoint zero-day seen targeting government agencies

image via TechCrunch

July 21, 2025, 7:42 PM

• •Hackers are exploiting a zero-day vulnerability in Microsoft SharePoint servers.

Researchers and news reports indicate that hackers are primarily targeting government organizations in the initial wave of attacks exploiting a zero-day vulnerability in Microsoft SharePoint servers. U.S. cybersecurity agency CISA has issued an alert regarding the exploitation of this previously unknown bug. While the initial exploitation appears limited, the vulnerability's availability could lead to broader attacks. Vulnerable SharePoint instances are accessible from the internet, potentially increasing the risk of breaches.

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