Hackers Exploiting Sharepoint 0-day Vulnerability to Deploy Warlock Ransomware
Microsoft has issued urgent warnings about active exploitation of critical SharePoint vulnerabilities CVE-2025-53770 and CVE-2025-53771 by multiple threat actors, including the China-based group Storm-2603, which has been deploying Warlock ransomware in compromised environments. The vulnerabilities affect on-premises SharePoint Server 2016, 2019, and Subscription Edition, with exploitation attempts observed as early as July 7, 2025. Key […]
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