CVE-2026-69414

Microsoft Defender Elevation of Privilege Vulnerability

Published Aug 14, 2026 CVSS 3.1 · 7.8 High EPSS 1.4% KEV · Not listed
Description
Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "ShieldBreak ".

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
Weaknesses CWE-59
Type Values Removed Values Added
Description 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 update is available. Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "ShieldBreak ".
Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
Weaknesses CWE-732
Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:microsoft:malware_protection_engine:-:*:*:*:*:*:*:*
Type Values Removed Values Added
Weaknesses CWE-269
CWE-732
Type Values Removed Values Added
Description 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 update is available.
Title Microsoft Defender Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft malware Protection Engine
CPEs cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft malware Protection Engine
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C'}

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 10, 2026, 9:59 PM
Reserved
Aug 3, 2026, 8:57 PM
Status
Modified
Published
Aug 14, 2026, 10:17 PM
Modified
Oct 28, 2026, 8:18 PM