CVE-2026-21509

This repository contains a functional exploit PoC for CVE-2026-21509, leveraging a novel approach combining fluid dynamics theory with NFS protocol exploitation. The code implements a temporal vortex attack using RPC fragmentation and energy cascade techniques to achieve remote code execution.

This repository provides a harmless, non-exploit Proof of Concept for CVE-2026-21509, a Microsoft Office security feature bypass vulnerability. It generates a harmless DOCX file containing dummy embedded OLE components for defensive research, EDR/AV visibility testing, and training purposes.

This is a working PoC for CVE-2026-21509, a Microsoft Office OLE security feature bypass vulnerability. It generates a DOCX file with an embedded OLE object to test the bypass, requiring user interaction to open the file.

This repository contains a proof-of-concept exploit for CVE-2026-21509, leveraging a temporal resonance technique to bypass Microsoft Office OLE validation. The exploit uses a 33-layer manifold to achieve speculative execution, evading detection mechanisms like AMSI/EDR.

This PoC exploits a vulnerability in NFS (CVE-2026-21509) using a novel approach based on fluid dynamics (CTT-Navier-Stokes mapping) to craft RPC fragments. It implements Theorem 4.2 energy cascade for evasion and payload delivery, targeting NFS protocol procedures.

This repository provides a YARA rule and a Python script to detect MS Office files containing 'Shell.Explorer.1' OLE objects, which are indicators of potential exploitation of CVE-2026-21509. The script analyzes OpenXML, OLE/CFB, and RTF documents for the presence of the specific CLSID associated with the vulnerability.

This PoC exploits CVE-2026-21509 by bypassing OLE/COM mitigations in Microsoft Office via a 33-layer energy cascade technique, achieving RCE through temporal resonance manipulation in OLE2 objects.

This repository contains PowerShell scripts for detecting and remediating CVE-2026-21509 by checking and setting registry values related to Microsoft Office COM compatibility. It does not include exploit code but provides mitigation steps.

This repository provides a functional proof-of-concept exploit for CVE-2026-21509, a Microsoft Office security feature bypass vulnerability. The exploit generates malicious RTF/DOCX files embedding crafted OLE objects to bypass Protected View and OLE kill-bit mitigations, allowing arbitrary command execution.

This PowerShell script mitigates CVE-2026-21509, a critical RCE vulnerability in Microsoft Office's OLE/COM handling, by setting a Kill-Bit for the vulnerable CLSID {EAB22AC3-30C1-11CF-A7EB-0000C05BAE0B}. The script checks registry paths for the Kill-Bit flag, applies it if missing, and provides a test RTF file to verify protection.

This repository provides a detailed technical analysis of CVE-2026-21509, a security-feature bypass vulnerability in Microsoft Office that allows crafted documents to load restricted COM components. It includes root cause analysis, attack chain details, detection guidance, and mitigation strategies, but no functional exploit code.

This repository contains a functional PoC for CVE-2026-21509, a Microsoft Office security feature bypass vulnerability. The PoC generates a harmless DOCX file with dummy OLE components to simulate structural markers related to the vulnerability, useful for defensive research and EDR/AV visibility testing.

The repository contains a functional Python script that generates a malicious DOCX file exploiting CVE-2026-21509 by embedding a crafted OLE compound file with a user-specified CLSID. The script constructs a valid Office Open XML document with required metadata and relationships.

This PowerShell script applies a kill-bit registry modification to mitigate CVE-2026-21509 in Microsoft Office 2016 by disabling a vulnerable COM object. It includes functionality to check, apply, and remove the kill-bit, as well as verify relevant KB updates.

This repository contains a PowerShell script that mitigates CVE-2026-21509, a Microsoft Office Security Feature Bypass Vulnerability, by applying registry keys to block a vulnerable COM component. The script detects Office installation types and applies the necessary registry changes to prevent exploitation.

The repository contains a Windows shortcut (LNK) file that exploits CVE-2026-21509 by executing 'calc.exe' via a crafted path. This is a functional PoC demonstrating arbitrary code execution through a malicious LNK file.