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-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. 📝...

CVE-2023-36003

CVE-2023-36003: Windows Defender Exploit Protection Bypass PoC This repository contains a Proof of Concept PoC for CVE-2023-36003 , a critical security feature bypass vulnerability affecting Windows Defender Exploit Protection. Overview CVE-2023-36003 is a vulnerability in Windows Defender that...

CVE-2024-29988-exploit

CVE-2024-29988-exploit Exploit for Microsoft SmartScreen malicious execution april 2024 Description A critical vulnerability, CVE-2024-29988, has been discovered in Microsoft's April 2024 Patch Tuesday release. This vulnerability allows threat actors to bypass Microsoft's Mark of the Web MotW...

firewall-cve

firewall-cve Windows AppContainer Firewall Rules Security Feature Bypass Vulnerability CVE-2021-41338 Security Vulnerability Released: Oct 12, 2021 Assigning CNA: Microsoft MITRE CVE-2021-41338 CVSS:3.1 5.5 / 5.0 Attack Vector Local Attack Complexity Low Privileges Required Low User Interaction...

dotnet: ASP.NET Core Security Feature Bypass Vulnerability

Inconsistent interpretation of http requests 'http request/response smuggling' in ASP.NET Core allows an unauthorized attacker to bypass a security feature over a network...

dotnet8.0: dotnet10.0: dotnet9.0: dotnet: .NET Security Feature Bypass Vulnerability

Origin validation error in .NET allows an unauthorized attacker to bypass a security feature over a network...

Critical: Red Hat Security Advisory: .NET 8.0 security update

An update for .NET 8.0 is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

dotnet: ASP.NET Core Security Feature Bypass Vulnerability

Inconsistent interpretation of http requests 'http request/response smuggling' in ASP.NET Core allows an unauthorized attacker to bypass a security feature over a network...

Critical: Red Hat Security Advisory: .NET 8.0 security update

An update for .NET 8.0 is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

dotnet8.0: dotnet10.0: dotnet9.0: dotnet: .NET Security Feature Bypass Vulnerability

Origin validation error in .NET allows an unauthorized attacker to bypass a security feature over a network...

dotnet: ASP.NET Core Security Feature Bypass Vulnerability

Inconsistent interpretation of http requests 'http request/response smuggling' in ASP.NET Core allows an unauthorized attacker to bypass a security feature over a network...

dotnet8.0: dotnet10.0: dotnet9.0: dotnet: .NET Security Feature Bypass Vulnerability

Origin validation error in .NET allows an unauthorized attacker to bypass a security feature over a network...

CVE-2026-21509

CVE-2026-21509 — Microsoft Office OLE Security-Feature Bypass Research writeup by Sentinel AI Defense. Defensive analysis only — no working exploit or PoC is published here for an actively exploited vulnerability. A security-feature bypass in Microsoft Office that lets a crafted document load COM...

.NET 9.0 security, bug fix, and enhancement update

An update is available for dotnet9.0. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list .NET is a fast, lightweight and modular platform for creating cross platfo...

.NET 8.0 security, bug fix, and enhancement update

An update is available for dotnet8.0. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list .NET is a fast, lightweight and modular platform for creating cross platfo...

.NET 8.0 security, bug fix, and enhancement update

An update is available for dotnet8.0. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list .NET is a fast, lightweight and modular platform for creating cross platfor...

.NET 9.0 security, bug fix, and enhancement update

An update is available for dotnet9.0. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list .NET is a fast, lightweight and modular platform for creating cross platfor...

.NET 9.0 security, bug fix, and enhancement update

An update is available for dotnet9.0. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list .NET is a fast, lightweight and modular platform for creating cross platfor...

.NET 8.0 security, bug fix, and enhancement update

An update is available for dotnet8.0. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list .NET is a fast, lightweight and modular platform for creating cross platfor...