Microsoft Office Memory Use After Free

The vulnerability of Microsoft Office packages and 365 Apps for Enterprise lies in the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to execute arbitrary code...

CVE-2022-30190

CVE-2022-30190 Follina Educational Malware Development, Exploitation, Analysis and Mitigation A fully documented proof-of-concept demonstrating the Follina vulnerability - from social engineering delivery through to exploitation, forensic analysis, and patch development. ⚠️ Educational Use Only...

SignHere

SignHere Introduction CVE-2017-11882 - The unique vulnerability identifier of Microsoft Office 2007 Service Pack 3, Microsoft Office 2010 Service Pack 2, Microsoft Office 2013 Service Pack 1, and Microsoft Office 2016 allows an attacker to run code in the context of the current user without...

cve-2026-21509-office_security_bypass_reproduction

CVE-2026-21509 — Microsoft Office Security Feature Bypass CVE-2026-21509 is a Microsoft Office security feature bypass vulnerability CVSS 7.8 , actively exploited by APT28 Russian hackers against Ukraine Reliance on untrusted inputs in security decisions CWE-807 — "breaking the kill bit" Allows...

hardentools

Hardentools Hardentools is designed to disable a number of "features" exposed by Microsoft Windows 10 and 11 and some widely used applications Microsoft Office, LibreOffice and Adobe PDF Reader, for now. These features, commonly thought for enterprise customers, are generally useless to regular...

CVE-2022-30190

CVE 30190 Amine TITROFINE | December 17, 2022 Follina CVE-2022-30190 is a Microsoft Office zero-day vulnerability that has recently been discovered. It’s a high-severity vulnerability that hackers can leverage for remote code execution RCE attacks. It exists when MSDT is called using the URL...

CVE-2026-21509-handler

CVE-2026-21509 Office Kill-Bit Manager PowerShell script to check, apply, and test the Kill-Bit protection for the CVE-2026-21509 Microsoft Office zero-day vulnerability affecting Office 2016/2019/LTSC. What is CVE-2026-21509? Critical RCE vulnerability in Microsoft Office OLE/COM handling CVSS...

CVE-2023-36884-Checker

CVE-2023-36884-Checker Script to check for CVE-2023-36884 hardening https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36884 Goal This scripts checks if Microsoft hardening recommendations are properly applied. Microsoft says...

PoC-CVE-2022-30190

POC CVE-2022-30190 : CVE 0-day MS Offic RCE aka msdt follina Info : New Microsoft Office zero-day used in attacks to execute PowerShell Summary On the 29th of May 2022, the NaoSec team, an independent Cyber Security Research Team, discovered a malicious Office document shared on Virustotal. This...

follina

follina POC All about CVE-2022-30190, aka follina, that is a RCE vulnerability that affects Microsoft Support Diagnostic Tools MSDT on Office apps such as Word. This is a very simple POC, feel free to check the sources below for more threat intelligence. Usage usage: follina.py -h --command COMMA...

MetadataPlus

MetadataPlus V.1.0 - Chris Nevin @ NCCGroup A tool to extract metadata from Microsoft Office files that includes new locations not checked in other tools. Example Usage: Run on compatible documents in the directory it is in: MetaDataPlus.exe Specify input folder: MetaDataPlus.exe -i=c:\Docs Run o...

CVE-2022-30190-follina-Office-MSDT-Fixed

'Follina' MS-MSDT n-day Microsoft Office RCE — Modified Version Based on the project from https://github.com/chvancooten/follina.py, modifications have been made to allow custom specification of the docx template file, making it easier for phishing use in real-world scenarios. After editing your...

CVE-2021-40444

Fully Weaponized CVE-2021-40444 Malicious docx generator to exploit CVE-2021-40444 Microsoft Office Word Remote Code Execution, works with arbitrary DLL files. Background Although many PoC are already around the internet, I guessed to give myself a run to weaponizing this vulnerability, as what I...

refinery

Binary Refinery docs tests codecov pypi High Octane Triage Analysis || || || || || | / / / \ || ==||=====|| | / |/ \ /==| / \ ===| '======|| | \ | | \ | \ /| | || || /||/ / | | | || =========''====/=========/ /==||=====||======' \ / / The Binary Refinery™ is a collection of Python scripts...

Ashwesker-CVE-2026-21509

🛡️ CVE-2026-21509 — Microsoft Office Zero-Day Status: Actively exploited → Emergency patch released Severity: 🔴 High Risk Type: Security Feature Bypass 🔍 What is it? CVE-2026-21509 is a serious vulnerability in Microsoft Office that allows attackers to bypass built-in security protections by...

CVE-2021-40444

Fully Weaponized CVE-2021-40444 Malicious docx generator to exploit CVE-2021-40444 Microsoft Office Word Remote Code Execution, works with arbitrary DLL files. Update 31/05/2022 - CVE-2022-30190 - Follina Now the generator is able to generate the document required to exploit also the "Follina"...

cve-2026-21509-mitigation

CVE-2026-21509 Mitigation Script Traditional Chinese version: READMEzh-TW.md Overview This script applies a registry-based mitigation to protect against CVE-2026-21509 Microsoft Office security feature bypass vulnerability, which has been exploited in the wild. CVE ID: CVE-2026-21509 Severity:...

CVE-2023-23397

CVE-2023-23397 Outlook Privilege Escalation Proof of Concept for CVE-2023-23397 in Python Quick and easy "proof of concept" in Python for the Outlook CVE that affects Microsoft Office/365 products. Usage 1. Install pywin by running pip install pywin32 2. Start a SMB server on the attacker machine...

CVE-2026-21509-PoC

CVE-2026-21509 — Educational Dummy PoC for Defender Visibility ⚠️ This repository provides a harmless, non-exploit Proof of Concept. Its purpose is to support defensive research , EDR/AV visibility testing , and training. It does not exploit CVE‑2026‑21509 and contains only dummy OLE artifacts. 📝...

CTT-MICROSOFT-OFFICE-OLE-MANIFOLD-BYPASS-CVE-2026-21509

🏛️CTT -Microsoft Office OLE Manifold BYPASS CVE-2026-21509 Standardized CTT Implementation for 1096x Temporal Execution ! 📜 Vulnerability Overview CVE-2026-21509 is a critical bypass in the Microsoft Office OLE Object Linking and Embedding validation engine. While standard "laminar" exploits...