814 matches found
Researcher Drops New Microsoft Defender PoC Showing ShieldBreak Patch Can Be Bypassed
The security researcher known as Chaotic Eclipse has dropped a proof-of-concept PoC for yet another zero-day in Microsoft Defender. The vulnerability, codenamed ShieldCrash , is assessed to be a patch bypass for CVE-2026-69414 CVSS score: 7.8, also called ShieldBreak, which the researcher reporte...
ASCII smuggling crosses over from AI prompt injection to phishing evasion
In this article 1. What is ASCII smuggling? 2. Writing a practical ASCII-smuggling signature 3. What we observed: ASCII smuggling repurposed for phishing 4. What is known and what is new 5. Is there a detection gap? 6. Mitigation and protection guidance 7. References 8. Learn More Microsoft...
CVE-2026-69414 ShieldBreak Zero-Day: No Patch, and CISA BOD 26-04 Gives You 14 Days
Executive Summary ShieldBreak CVE-2026-69414 is a zero-day elevation-of-privilege vulnerability in the Microsoft Malware Protection Engine used by Microsoft Defender, allowing a low-privilege local attacker to escalate to SYSTEM. A public PoC was released on August 12, 2026, and Microsoft assigne...
CVE-2026-41091-PoC-Exploit Full-PoCv2
☀️ CVE-2026-41091 - RedSun SolarFlare - Microsoft Defender LPE Exploit Microsoft Defender Link Following Vulnerability - Local Privilege Escalation to NT AUTHORITY\SYSTEM The vulnerability is known as "RedSun" 🎯, "SolarFlare" is the name I gave to my exploit. ✅ 📌 Overview This repository contains...
Microsoft named a Leader in the Frost Radar™: Cloud Workload Protection Platforms, 2026
Security teams are overwhelmed with findings but still struggle to answer a simple question: which risks matter right now? A vulnerability alone is rarely the problem. The same vulnerability running in production, exposed through a misconfiguration or over-permissioned identity, is a real path to...
The vulnerability of the Microsoft Malware Protection Engine, a component of the Microsoft Defender antivirus protection tool, allows attackers to enhance their privileges.
The vulnerability of the Microsoft Malware Protection Engine, a component of the Microsoft Defender antivirus protection tool, relates to an improper definition of symbolic links before accessing a file. Exploiting this vulnerability can allow attackers to increase their privileges...
ShieldBreak bypasses Microsoft’s patch for earlier Defender flaw
Microsoft Defender’s latest patch bypass shows a familiar problem. A newly disclosed Microsoft Defender flaw called ShieldBreak shows that fixing one attack path doesn't always close every route to the same result. Microsoft has assigned ShieldBreak the identifier CVE-2026-69414 and confirmed it ...
EUVD-2026-58811
Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "ShieldBreak ". We are working to provide a high quality security update that addresses this vulnerability. We will provide information in this CVE when the...
CVE-2026-69414
Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "ShieldBreak "...
CVE-2026-69414 Microsoft Defender Elevation of Privilege Vulnerability
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CVE-2026-69414 Microsoft Defender Elevation of Privilege Vulnerability
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CVE-2026-69414
Technical details (affected product/component/version/root cause/impact/fix) are not publicly provided in the connected documents. Monitor for updates once Microsoft and others publish concrete information about CVE-2026-69414.
Microsoft Defender Elevation of Privilege Vulnerability
Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "ShieldBreak "...
PT-2026-72125
Name of the Vulnerable Software and Affected Versions Microsoft Defender affected versions not specified Description An elevation of privilege exists in the Microsoft Malware Protection Engine in Microsoft Defender, publicly referred to as "ShieldBreak". Recommendations At the moment, there is no...
ShieldBreak Zero-Day PoC Claims Microsoft Defender Patch Bypass With SYSTEM Access
The security researcher going by the name Chaotic Eclipse aka INFINITE NIGHTMARE, MSNightmare, and Nightmare-Eclipse has released a proof-of-concept PoC for a new Microsoft zero-day called ShieldBreak. The vulnerability, rooted in Microsoft Defender for Windows, demonstrates a patch bypass for...
PT-2026-72135
Уязвимость движка Microsoft Malware Protection Engine Защитника Microsoft Windows Defender операционных систем Windows связана с ошибками синхронизации при использовании общего ресурса. Эксплуатация уязвимости может позволить нарушителю раскрыть защищаемую информацию и получить полный контроль на...
CVE-2026-54123
Exposure of sensitive information to an unauthorized actor in Microsoft Defender for Endpoint allows an authorized attacker to disclose information locally...
CVE-2026-54123
Microsoft Defender for Endpoint (Mac) contains a local information disclosure vulnerability (CVE-2026-54123). Attack vector: Local; Privileges Required: Low; User Interaction: None; Confidentiality Impact: High. CVSSv3.1 base score 5.5 (Medium). A fix is available via Microsoft’s update guidance;...