## https://sploitus.com/exploit?id=8AD3FCD2-60B1-5994-BB74-7EF998BFC6EF
# CVE-2026-50522 โ Proof of Concept
> **For educational and authorized security research only.**
## Overview
This repository is dedicated to **CVE-2026-50522**, a critical **deserialization of untrusted data** vulnerability affecting **Microsoft SharePoint Server**.
According to public advisories, the vulnerability may allow an **unauthorized attacker to execute arbitrary code remotely** on vulnerable SharePoint deployments. The issue has received a **CVSS 9.8 (Critical)** rating and has been reported as being actively exploited in the wild.
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## PoC Details
The Proof of Concept (PoC) demonstrates the presence of the vulnerability in **authorized testing environments**.
The PoC is intended for:
* Security researchers
* Authorized penetration testers
* Incident response teams
* Blue teams validating security updates
* Educational and defensive security research
**Expected outcome**
* Verify whether a target SharePoint server is vulnerable.
* Validate mitigation effectiveness after applying vendor updates.
* Assist security professionals during vulnerability assessments.
**The complete PoC is not published in this repository.**
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## Repository Contents
* Vulnerability overview
* Technical analysis
* Mitigation guidance
* Security references
* Research updates
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## Disclaimer
This repository is intended solely for **educational purposes, defensive security research, and authorized penetration testing**. Testing should only be conducted against systems for which you have explicit authorization.
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## References
* Microsoft Security Update Guide
* National Vulnerability Database (NVD)
* Public security advisories