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SharePoint Vulnerabilities (CVE-2025-53770 & CVE-2025-53771): Everything You Need to Know | Wiz Blog

📅 July 22, 2025 📰 www.wiz.io 🔍 2 CVE(s) referenced

Two newly discovered and actively exploited zero-day vulnerabilities in on-premises Microsoft SharePoint—one enabling authentication bypass and the other remote code execution—allow attackers to fully compromise unpatched servers via a chained exploit dubbed "ToolShell," prompting urgent patching and incident response.

vendor
CVE-2025-53770, CVE-2025-53771

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