Proof-of-concept (PoC) exploit code and deep technical details have now been released for CVE-2025-53770, a critical remote code execution (RCE) vulnerability in on‑premises Microsoft SharePoint Server. This disclosure raises the risk of rapid weaponization and mass exploitation against unpatched SharePoint environments. CVE-2025-53770 is a deserialization-of-untrusted-data flaw in how SharePoint processes specially crafted data sources, enabling […]
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