Microsoft Defender's Own Driver Can Be Weaponized to Delete Security Software at Boot

Check Point Research has disclosed a technique that uses Microsoft Defender's own legitimately signed boot-time remediation driver to perform arbitrary kernel-level file and registry operations on Windows systems ranging from Windows 7 through Windows 11 25H2, with no software flaw exploited and ...

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...

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...

Microsoft Malware Protection Engine Privilege Escalation

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...

Exploit for CVE-2026-69414

ShieldBreak - Windows Defender 0day vulnerability Microsoft h...

Security Bulletin: IBM Storage Defender - Data Protect critical vulnerabilities resolved in Release Defender 2.2.1/Data Protect 7.4.1

Summary IBM Storage Defender: Data Protect critical vulnerabilities resolved in release Defender 2.2.1/Data Protect 7.4.1. The vulnerabilities have been addressed in Data Protect 7.4.1, which is included in IBM Storage Defender 2.2.1 Vulnerability Details CVEID:CVE-2020-14343 DESCRIPTION: A...

Security Bulletin: Improper input validation, integer overflow, and other vulnerabilities might affect IBM Storage Defender - Resiliency Service

Summary IBM Storage Defender - Resiliency Service is vulnerable to improper input validation, integer overflow, and others. The vulnerabilities have been addressed. Vulnerability Details CVEID:CVE-2026-54399 DESCRIPTION: Uncontrolled Resource Consumption vulnerability in the HTTP/1.1 message pars...

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 ...

CVE-2026-74801

SiYuan before 3.7.4 fails to properly escape workspace directory paths when constructing command-line arguments for the elevated elevator.exe helper process. Attackers can create a malicious workspace directory with command metacharacters in its path and trigger the Microsoft Defender exclusion...

CVE-2026-74801: Improper Neutralization of Special Elements used in an OS Command

SiYuan before 3.7.4 fails to properly escape workspace directory paths when constructing command-line arguments for the elevated elevator.exe helper process. Attackers can create a malicious workspace directory with command metacharacters in its path and trigger the Microsoft Defender exclusion...

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.

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 ". We are working to provide a high quality security update that addresses this vulnerability. We will provide information in this CVE when the...

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...

CVE-2026-69414: Improper Access Control

Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "ShieldBreak "...