ToolShell
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Canada’s House of Commons Investigates Data Breach Tied to Reported Microsoft Vulnerability Exploitation
Canada’s House of Commons is investigating a data breach after a cyberattack reportedly exposed employee information. The Cyber Centre is assisting, and authorities caution that attribution remains complex. The incident comes as Canada and other nations grapple with recently disclosed Microsoft vulnerabilities, including CVE-2025-53770 (ToolShell) and CVE-2025-53786, which have seen active exploitation by various threat…
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Croatian Research Institute Confirms Ransomware Attack via ToolShell Vulnerabilities
The Ruđer Bošković Institute in Croatia confirmed it was among thousands of institutions hit by ransomware exploiting SharePoint ToolShell vulnerabilities, encryption of administrative data, a pledge not to pay ransom, and ongoing forensic investigations.
