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Microsoft fixes 2 SharePoint zero-days under attack

TechRepublic · 1h

Patch SharePoint Now: Microsoft Servers at Risk of New ToolShell RCE Attack

If exploited, attackers can gain full access to SharePoint content and potentially pivot to Outlook, Teams, and OneDrive. Learn how to protect your SharePoint server from compromise.

Windows Central on MSN · 12h

"We’re witnessing an urgent and active threat" — Microsoft SharePoint "ToolShell" vulnerability is being attacked globally

The term "zero-day" attack refers to when a previously unknown vulnerability is targeted. Tens of thousands of servers are said to be at risk. While the issue is serious, it differs from several previous vulnerabilities related to Microsoft. The attack only affects on-premises servers; cloud-based servers are unaffected.

SecurityWeek · 22h

Microsoft Patches ‘ToolShell’ Zero-Days Exploited to Hack SharePoint Servers

Microsoft has started releasing updates to fix the exploited SharePoint zero-days tracked as CVE-2025-53770 and CVE-2025-53771.

ToolShell Zero-Day Attacks on SharePoint: First Wave Linked to China, Hit High-Value Targets

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

3h

Update: New version of Sharepoint 2016 fixes toolshell vulnerability

Microsoft is following up and is also releasing a patch for the 2016 edition of Sharepoint. Admins should install this ...

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