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.
Published: 2026-08-14
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 18 Aug 2026 16:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-732

Tue, 18 Aug 2026 14:30:00 +0000

Type Values Removed Values Added
References
Metrics ssvc

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


Tue, 18 Aug 2026 13:30:00 +0000

Type Values Removed Values Added
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:microsoft:malware_protection_engine:-:*:*:*:*:*:*:*

Sat, 15 Aug 2026 00:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-269
CWE-732

Fri, 14 Aug 2026 22:00:00 +0000

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 &quot;ShieldBreak &quot;. 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'}


Subscriptions

Microsoft Malware Protection Engine
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-08-18T22:27:01.830Z

Reserved: 2026-08-03T20:57:58.964Z

Link: CVE-2026-69414

cve-icon Vulnrichment

Updated: 2026-08-17T13:00:46.565Z

cve-icon NVD

Status : Modified

Published: 2026-08-14T22:17:06.810

Modified: 2026-08-18T14:18:02.903

Link: CVE-2026-69414

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-18T20:30:17Z

Weaknesses