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.

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

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

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.

Microsoft released a patch Monday for SharePoint Server 2016 that protects customers against a pair of vulnerabilities, which ...

Microsoft has released security patches for the zero-day vulnerability chain dubbed ToolShell, capable of remote code ...

An ongoing cyberattack campaign known as “ToolShell” is exploiting on-premises Microsoft SharePoint Servers and has ...

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

A security patch released by Microsoft last month failed to fully fix a critical flaw in U.S. tech giant's SharePoint server ...

A security patch Microsoft (MSFT.O), opens new tab released this month failed to fully fix a critical flaw in the U.S. tech ...

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