The term "zero-day" attack refers to when a previously unknown vulnerability is targeted. Tens of thousands of servers are ...

The patches fix the security holes in more recent versions of SharePoint, but the 2016 version is still at risk.

Microsoft is releasing out-of-band security updates for SharePoint Server 2019 and SharePoint Server Subscription Edition, ...

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The U.S. Cybersecurity and Infrastructure Security Agency (CISA), in an alert, said it's aware of active exploitation of CVE-2025-53770, which enables unauthenticated access to SharePoint systems and ...

On-prem SharePoint customers have been told to assume compromise, with attackers observed to be exfiltrating data from victim ...

Microsoft is dealing with a big cyberattack on SharePoint servers globally. Cybersecurity experts warn thousands of companies ...

Microsoft is working to fix critical security vulnerabilities affecting on-premises SharePoint Servers that are already being ...

Microsoft has released emergency SharePoint security updates for two zero-day vulnerabilities tracked as CVE-2025-53770 and CVE-2025-53771 that have compromised services worldwide in "ToolShell" ...

If exploited, attackers can gain full access to SharePoint content and potentially pivot to Outlook, Teams, and OneDrive.

The hackers have been able to "fully access" SharePoint content and execute code, according to the U.S. Cybersecurity and ...

Microsoft has issued an alert about “active attacks” on server software used by government agencies and businesses to share documents within organizations and recommended security updates that ...