CVE-2026-69414

Modified Modified - Updated After Analysis

Elevation of Privilege in Microsoft Defender Engine

Publication date: 2026-08-14

Last updated on: 2026-09-03

Assigner: Microsoft Corporation

Description

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

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-14

Last Modified

2026-09-03

Generated

2026-09-04

AI Q&A

2026-08-15

EPSS Evaluated

2026-09-02

NVD

CVE-2026-69414

EUVD

EUVD-2026-58811

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	malware_protection_engine	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-269	The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This is an elevation of privilege vulnerability in the Microsoft Malware Protection Engine, part of Microsoft Defender. It allows attackers to gain higher privileges on a system by exploiting flaws in the engine's operation.

Impact Analysis

An attacker could exploit this to gain elevated privileges, potentially allowing them to install programs, view or delete data, or create new accounts with full user rights. This could lead to significant system compromise.

Compliance Impact

The provided CVE data does not specify how this vulnerability impacts compliance with standards like GDPR or HIPAA. The description only mentions an elevation of privilege in Microsoft Defender's Malware Protection Engine without details on potential data exposure or regulatory implications.

Mitigation Strategies

No mitigation steps are available yet as Microsoft is still working on a security update. Monitor official Microsoft security advisories for updates and apply the patch once released.

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