The name was coined by Dinh Ho Anh, a researcher from Khoa of Viettel Cyber Security, who developed the exploit. The ...

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

Kaspersky GReAT researchers analyzed the published ToolShell exploit and found it alarmingly similar to the 2020 ...

More information has emerged on the ToolShell SharePoint zero-day attacks, including impact, victims, and threat actors.

More details emerged on the ToolShell zero-day attacks targeting SharePoint servers, but confusion remains over the ...

Hackers with ties to the Chinese government have been linked to a recent wave of widespread attacks targeting a Microsoft SharePoint zero-day vulnerability chain.

The active exploitation of a dangerous zero-day vulnerability chain in Microsoft SharePoint – which was disclosed over the ...

A China-based hacking group is deploying Warlock ransomware on Microsoft SharePoint servers vulnerable to widespread attacks ...

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

Microsoft’s security analysts confirm that a number of cyber attacks on on-premise SharePoint Server users involve ransomware ...

Microsoft has observed three China-based threat actors, Linen Typhoon, Violet Typhoon and Storm-2603, exploiting the ...

Microsoft also has issued a patch for a related SharePoint vulnerability — CVE-2025-53771; Microsoft says there are no signs ...