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

Threat Level

79% SecurityWeek 15 hours ago Part of cluster #1272

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

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Active exploitation of vulnerability affecting Microsoft Office SharePoint Server products in the UK

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The NCSC is encouraging UK organisations to take immediate action to mitigate a vulnerability (CVE-2025-53770) affecting Microsoft SharePoint Server products....

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Microsoft

Platforms 1

SharePoint

Technical Indicators

CVEs 2

CVE-2025-53770 CVE-2025-53771

Information

Article ID: #3932
Published: 15 hours ago
Source: SecurityWeek

Recommended Articles

SharePoint ToolShell | Zero-Day Exploited in-the-Wild Targets Enterprise Servers

Active Exploitation of Microsoft SharePoint Vulnerabilities: Threat Brief

UK blames Russia’s infamous ‘Fancy Bear’ group for Microsoft cloud hacks

Dell scoffs at breach, says miscreants only stole ‘fake data’

Active exploitation of vulnerability affecting Microsoft Office SharePoint Server products in the UK

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