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...

CVE-2025-21298

content Esto es una prueba de concepto para CVE-2025-21298 - Vulnerabilidad de ejecución remota de código en Windows OLE CVSS 9.8. Esto es un PoC de corrupción de memoria , no un exploit. Diff completo del parche mediante ghidriff: ENLACE vulnerabilidad La vulnerabilidad se encuentra en...

MSSQL-Pentest-Cheatsheet

🗄️ MSSQL Pentest Cheatsheet A practical Microsoft SQL Server penetration testing cheat sheet designed for penetration testers, red teamers, and cybersecurity learners to understand how to enumerate, exploit, and abuse misconfigured MSSQL databases during security assessments. 🌐 Connect With Us 🔵...

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...

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...

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...

detect_CVE-2026-21509

Detections for the CVE-2026-21509 vulnerability in MS Office This repository contains a YARA rule to detect RTF documents with a potential exploit for CVE-2026-21509, and a Python script to check if MS Office files contain Shell.Explorer.1 OLE objects, which is related to that vulnerability. See...

SCTT-2026-33-0007-The-OLE-Vortex-Laminar-Bypass-

SCTT-2026-33-0007-The-OLE-Vortex-Laminar-Bypass- Microsoft just released emergency patches for CVE-2026-21509, a zero-day in the Office Suite that bypasses OLE/COM mitigations when a user simply opens a file. They think their "Service-side change" for Office 2021+ is a solid wall...

LetsDefend-SOC336-Windows-OLE-Zero-Click-RCE-Exploitation-Detected-CVE-2025-21298-

LetsDefend-SOC336-Windows-OLE-Zero-Click-RCE-Exploitation-Detected-CVE-2025-21298- We are expected to investigate a critical alert reporting a Windows OLE zero-click RCE exploitation CVE-2025-21298 delivered via a malicious RTF attachment. Investigation of the alert from LetsDefend On 4 February...

Zero-Click-RCE-Incident-Response-CVE-2025-21298

Incident Response: Windows OLE Zero-Click RCE CVE-2025-21298 Project Overview This project documents the end-to-end investigation and containment of a Critical-severity Zero-Click Remote Code Execution RCE attempt. Using EDR telemetry and threat intelligence, I identified a "Living off the Land"...

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. 📝...

SOC336-Windows-OLE-Zero-Click-RCE-Exploitation-Detected-CVE-2025-21298

SOC336 - Detección de Explotación RCE Zero-Click OLE de Windows CVE-2025-21298 Walkthrough 🔎 Tabla de Contenido 1. Situación...

Follina_MSDT_CVE-2022-30190

Microsoft explains that “a remote code execution vulnerability exists when MSDT is called using the URL protocol from a calling application such as Word. An attacker who successfully exploits this vulnerability can run arbitrary code with the privileges of the calling application. The attacker ca...

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...

CVE-2022-30190_EXP_PowerPoint

CVE-2022-30190EXPPowerPoint This is exploit of CVE-2022-30190 on PowerPoint. Modify the suffix of the file to 'zip' and unzip the file, you can edit \ppt\slides\rels\slide1.xml.rels and replace to your vps ip:port like this, then compress them as the same way and change the suffix to 'ppsx'. The...

EUVD-2026-64846

RustDesk's Windows clipboard redirection copies a peer-supplied length into a fixed-size caller buffer without an upper bound check. When an OLE paste consumer such as explorer.exe calls IStream::Read with a buffer of cb bytes, CliprdrStreamRead in libs/clipboard/src/windows/wfcliprdr.c requests...

CVE-2026-59933

PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In versions 4.0.0 through 5.8.0, 3.3.0 through 3.10.6, 2.2.0 through 2.4.6, 2.0.0 through 2.1.17, and all releases up to and including 1.30.5, the OLE reader follows sector chains from attacker-controlled XLS/OLE...

CVE-2026-59933 PhpSpreadsheet: XLS/OLE sector-chain self-loop causes memory exhaustion

PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In versions 4.0.0 through 5.8.0, 3.3.0 through 3.10.6, 2.2.0 through 2.4.6, 2.0.0 through 2.1.17, and all releases up to and including 1.30.5, the OLE reader follows sector chains from attacker-controlled XLS/OLE...

CVE-2026-59933 PhpSpreadsheet: XLS/OLE sector-chain self-loop causes memory exhaustion

PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In versions 4.0.0 through 5.8.0, 3.3.0 through 3.10.6, 2.2.0 through 2.4.6, 2.0.0 through 2.1.17, and all releases up to and including 1.30.5, the OLE reader follows sector chains from attacker-controlled XLS/OLE...

CVE-2026-59933

PhpSpreadsheet is affected by a memory-exhaustion denial-of-service in the OLERead::read() path when parsing attacker-controlled XLS/OLE metadata. The vulnerability stems from an unguarded sector-chain walk in the OLE reader that can loop indefinitely (self-loop in small-block depot/sector chains...