The majority of the 1.4 million React2Shell exploitation attempts GreyNoise saw in a week deployed cryptominers and reverse ...

Some SharePoint environments may require different steps or settings; checking with your IT administrator is always recommended. With this integration, you can easily navigate your SharePoint and ...

Microsoft has patched three critical zero-day SharePoint security flaws that hackers have already exploited to attack more vulnerable organizations. Responding to the exploits, the software giant ...

Security researchers say hackers have breached at least 400 organizations by exploiting a zero-day vulnerability in Microsoft SharePoint, signaling a sharp rise in the number of detected compromises ...

Microsoft has alerted businesses and governments to "active attacks" on its popular SharePoint collaboration software. Patches have been issued for two versions of SharePoint software, while one ...

The U.S. federal government and cybersecurity researchers say a newly discovered security bug found in Microsoft’s SharePoint is under attack. U.S. cybersecurity agency CISA sounded the alarm this ...

Authorities and researchers are sounding the alarm over the active mass exploitation of a high-severity vulnerability in Microsoft SharePoint Server that’s allowing attackers to make off with ...

Update, July 21, 2025: This story, originally published on July 20, has been updated to include additional expert comments regarding the global zero-day attack impacting Microsoft on-premise ...

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" ...

Microsoft on Sunday released security patches for an actively exploited security flaw in SharePoint and also disclosed details of another vulnerability that it said has been addressed with "more ...

Update 7/21/25: Added links to the security updates for Microsoft SharePoint 2019. Critical zero-day vulnerabilities in Microsoft SharePoint, tracked as CVE-2025-53770 and CVE-2025-53771, have been ...

A critical security vulnerability in Microsoft SharePoint Server has been weaponized as part of an "active, large-scale" exploitation campaign. The zero-day flaw, tracked as CVE-2025-53770 (CVSS score ...