CVE-2026-40369

🚨 CVE-2026-40369 - Windows Kernel Elevation of Privilege Vulnerability Windows Kernel Heap-Based Buffer Overflow allowing local attackers to elevate privileges toNT AUTHORITY\SYSTEM. 📖 Overview CVE-2026-40369 is a High Severity privilege escalation vulnerability affecting Microsoft Windows Kernel...

HomeLab

HomeLab - Network Documentation Overview HomeLab is a GNS3 lab built on a single laptop OMEN 16, i7-14650HX, 32 GB RAM, RTX 4060 8 GB to practice networking, systems administration, and offensive security in one environment. It models a perimeter with a firewall Cisco ASAv, a DMZ Ubuntu Server, a...

CVE-2026-24294

CVE-2026-24294 - Local NTLM Reflection LPE via SMB Arbitrary Port Local privilege escalation on Windows Server 2025 via NTLM reflection, abusing the SMB arbitrary port feature introduced in Windows 11 24H2 / Server 2025. Vulnerability Windows 11 24H2 / Server 2025 introduced an SMB client feature...

CVE-2025-54918-POC

CVE-2025-54918 – Proof of Concept PoC ⚠️ Important Notice IMPORTANT: To test CVE-2025-54918 , you must create a DNS record in the target Active Directory environment. Always consult with the client and obtain explicit authorization before testing, as this can impact DNS and authentication behavior...

badsuccessor

BadSuccessor.py A penetration testing tool that exploits the dMSA delegated Managed Service Account privilege escalation vulnerability in Windows Server 2025 Active Directory environments. Legal Disclaimer This tool is for authorized penetration testing and security research only. Using it agains...

CVE-2025-30397---Windows-Server-2025-JScript-RCE-Use-After-Free-

CVE-2025-30397---Windows-Server-2025-JScript-RCE-Use-After-Free Remote Code Execution via Use-After-Free in JScript.dll CVE-2025-30397 🧠 Description This repository contains a proof-of-concept PoC exploit for a Use-After-Free vulnerability in the JScript engine jscript.dll affecting Windows Serve...

CVE-2026-50369

CVE-2026-50369 reproducer for a TOCTOU race condition in rdpcorets.dll!CRdpPipeGfxPlugin::Enable on Windows Server 2025 RDS Session Hosts. i reported this as a DoS; the code-path seem to somehow also enable EoP. this reproducer is a PoC for the DoS path alone. Bug Enable reads a COM interface...

azure-vulnerability-remediation-project

Vulnerability Research & Remediation: Azure Cloud Infrastructure Project Overview This project documents the end-to-end vulnerability management lifecycle for a cloud-hosted Windows Server 2025 instance CyberVM. The lab demonstrates a proactive approach to identifying, analyzing, and neutralizing...

CVE-2026-41089-PoC

CVE-2026-41089 — LongLogon crasher PoC Pre-authentication stack buffer overflow in the Netlogon service of Windows Server 2025. A single CLDAP packet UDP/389 from any host on the wire is enough: lsass.exe dies with STATUSSTACKBUFFEROVERRUN 0xc0000409 and the domain controller reboots. Component:...

CVE-2024-38077

CVE-2024-38077-EXP Fixed code based on pseudocode. Scope EXP: Windows Server 2025 POC: 08-25 Usage options: -h, --help show this help message and exit --targetip TARGETIP Target IP, eg: 192.168.120.1 --evilip EVILIP Evil IP, eg: 192.168.120.2 --evildllpath EVILDLLPATH Evil dll path, eg:...

KB5126646: Windows Server 2025 Security Update (October 2026)

The remote Windows host is missing security update 5126646. It is, therefore, affected by multiple vulnerabilities - Use after free in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute code over a network. CVE-2026-100202 - Use after free in Microsoft QUIC allows an...

Exploit for Stack-based Buffer Overflow in Microsoft

CVE-2026-41089 — LongLogon crasher PoC Pre-authentication s...

ShieldBreak

ShieldBreak - Windows Defender 0day 脆弱性 Microsoft は RoguePlanet 脆弱性 CVE-2026-50656 の適切なパッチ適用に失敗しており、この PoC は完全なパッチバイパスを実証しています。 この PoC は、最新バージョンの Windows 11 25H2 +Canary チャネル と Windows Server 2025 でテストされており、成功率は 100% です。 なお、Windows 10 および対応するサーバーエディション は現在サポートされていませんが、ShieldBreak...

KB5122871: Windows Server 2025 Security Update (September 2026)

The remote Windows host is missing security update 5122871. It is, therefore, affected by multiple vulnerabilities - Heap-based buffer overflow in Windows USB Mass Storage Class Driver allows an unauthorized attacker to execute code over a network. CVE-2026-68839 - Integer underflow wrap or...

ad-hardening-pentest-lab-

Active Directory Hardening & Mutual Pentest Lab A self-contai...

Wiz Brings Automated DISA STIG Assessment to Amazon Linux 2023 and Windows Server 2025

Automating DISA STIG Compliance for Amazon Linux 2023 and Windows Server 2025, giving defense and federal teams immediate and continuous hardening validation...

Windows 11 24H2/25H2 | Server 2025 - Recovery Media Restore Fails with: The Local Security Authority cannot be contacted

Issue Resolved in September 8 2026 Windows Updates The underlying issue documented in this article was resolved by Microsoft in the September 8 2026 security updates for Windows 11 KB5124008 and Windows Server 2025 KB5122871. After applying the update, the Veeam Recovery Media must be recreated...

KB5099536: Windows Server 2025 Security Update (July 2026)

The remote Windows host is missing security update 5099536. It is, therefore, affected by multiple vulnerabilities - Integer overflow or wraparound in Windows RDP allows an unauthorized attacker to execute code over a network. CVE-2026-58594 - Heap-based buffer overflow in Windows FTP Service...

May 12, 2026—KB5087539(OS Build 26100.32860)

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June 9, 2026—KB5094125 (OS Build 26100.32995)

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