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ToolShell: An all-you-can-eat buffet for threat actors
ESET Research has been monitoring attacks involving the recently discovered ToolShell zero-day vulnerabilities 24 Jul 2025 • , 5 min. read On July 19th, 2025, Microsoft confirmed that a set of zero-day vulnerabilities in SharePoint Server called ToolShell is being exploited in the wild. ToolShell is comprised of CVE-2025-53770, a remote code execution vulnerability, and…