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...

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 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

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.

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 "...

The vulnerability of the Microsoft Malware Protection Engine of the Windows Defender security software allows a malicious actor to expose protected information and gain full control over the device.

The vulnerability of the Microsoft Malware Protection Engine in Microsoft’s Windows operating systems is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow attackers to expose protected information and gain full control over the device...

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...

Microsoft Malware Protection Engine heap buffer overflow vulnerability

The Microsoft Malware Protection Engine is a core component developed by Microsoft for malware protection, used to scan and detect malicious code. The Microsoft Malware Protection Engine has a heap buffer overflow vulnerability. This vulnerability arises from improper handling of input data,...

EUVD-2017-17485

Malware in sbrugna...

EUVD-2011-0063

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EUVD-2017-17486

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CVE-2013-1346

mpengine.dll in Microsoft Malware Protection Engine before 1.1.9506.0 on x64 platforms allows remote attackers to execute arbitrary code or cause a denial of service memory corruption via a crafted file...

KLA62386 DoS vulnerability in Microsoft System Center

A denial of service vulnerability was found in Microsoft System Center. Malicious users can exploit this vulnerability to cause denial of service. Original advisories CVE-2023-36010 Exploitation Related products Windows-Defender CVE list CVE-2023-36010 critical KB list Solution Install necessary...

KLA50772 PE vulnerability in Microsoft System Center

An elevation of privilege vulnerability was found in Microsoft System Center. Malicious users can exploit this vulnerability to gain privileges. Original advisories CVE-2023-33156 Exploitation Related products Windows-Defender CVE list CVE-2023-33156 high KB list Solution Install necessary update...

The vulnerability of the Microsoft Malware Protection Engine’s antivirus kernel, related to the lack of protection for service data, allows attackers to exploit the protected information.

The vulnerability of the Microsoft Malware Protection Engine’s antivirus kernel is related to the lack of protection for service data. Exploiting this vulnerability can allow a hacker to disclose the protected information...

PT-2023-2750 · Microsoft · Malware Protection Engine +1

Name of the Vulnerable Software and Affected Versions: Microsoft Malware Protection Engine MPE affected versions not specified Microsoft Defender affected versions not specified Description: The issue is related to a lack of protection for service data in the Microsoft Malware Protection Engine...

KLA48556 PE vulnerability in Microsoft System Center

An elevation of privilege vulnerability was found in Microsoft System Center. Malicious users can exploit this vulnerability to gain privileges. Original advisories CVE-2023-23389 Exploitation Related products Microsoft-Defender-for-Endpoint-for-Windows CVE list CVE-2023-23389 high KB list Soluti...

The vulnerability of the Microsoft Malware Protection Engine’s antivirus kernel, related to deficiencies in access control, allows attackers to enhance their privileges.

The vulnerability of the Microsoft Malware Protection Engine’s antivirus kernel is related to deficiencies in access control. Exploiting this vulnerability can allow attackers to enhance their privileges...