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...

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...

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...

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-2026-21510-CVSS-8.8-Important-Windows-Shell-security-feature-bypass

CVE-2026-21510 - Windows Shell Security Feature Bypass Vulnerability Repository Title Suggestion: CVE-2026-21510-Windows-Shell-Bypass-Analysis This README provides a comprehensive overview of CVE-2026-21510 , a high-severity, actively exploited zero-day vulnerability patched by Microsoft in the...

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-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-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...

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...

RHEL 10 : .NET 8.0 (RHSA-2026:88474)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:88474 advisory. .NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It...

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 10.0 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 fo...

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...

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...

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 9.4 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...

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...

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...