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 ".

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69414	Vendor Advisory
https://github.com/MSNightmare/ShieldBreak

Configurations

Configuration 1 (hide)

cpe:2.3:a:microsoft:malware_protection_engine:-:*:*:*:*:*:*:*

History

28 Oct 2026, 20:18

Type	Values Removed	Values Added
CWE	~~CWE-284~~	CWE-59

Information

Published : 2026-08-14 22:17

Updated : 2026-10-28 20:18

NVD link : CVE-2026-69414

Mitre link : CVE-2026-69414

CVE.ORG link : CVE-2026-69414

JSON object : View

Products Affected

microsoft

malware_protection_engine

CWE

CWE-59

Improper Link Resolution Before File Access ('Link Following')

NVD-CWE-noinfo CWE-269

Improper Privilege Management

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