CVE-2026-69414
Microsoft Defender Elevation of Privilege Vulnerability
CVSS Score
7.8
EPSS Score
0.3%
EPSS Percentile
23th
Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "ShieldBreak ".
| Vendor | microsoft |
| Product | microsoft malware protection engine |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Aug 14, 2026 |
| Last Updated | Sep 25, 2026 |
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CVSS v3 Breakdown
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 Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Microsoft / Microsoft Malware Protection Engine
1.1.0.0 < 1.1.26080.3