PoC and Technical Details Released for SharePoint Remote Code Execution Vulnerability
RedSide Security July 08, 2026 Vulnerability 12 views
Researchers have released a working proof-of-concept exploit for CVE-2025-53770, a critical SharePoint Server remote code execution vulnerability. The flaw abuses XML schema imports and .NET deserialization gadgets to achieve code execution on vulnerable on-premises SharePoint deployments, increasing the risk of large-scale exploitation.
CVE
Cybersecurity
Exploit
Information Security
Threat Intelligence
Enterprise Security
Red Team
Blue Team
Windows Security
Remote Code Execution
Vulnerability
Infosec
CVE-2025-53770
Microsoft SharePoint
SharePoint Server
SharePoint RCE
Deserialization
XML Schema Injection
XML Deserialization
PerformancePoint Services
ToolShell
PoC
Microsoft Security
Active Exploitation
Viettel Cyber Security
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