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Microsoft Device Guard CVE-2018-8449 Security Feature Bypass Vulnerability

description-logoDescription

Device Guard security feature bypass allows an attacker to make an unsigned file appear signed, enabling malicious code execution on Windows systems.

affected-products-logoAffected Applications

Windows 10
Windows Server 2016
Windows Server version 1803 (Server Core Installation)
Windows Server version 1709 (Server Core Installation)

Version Updates

Date Version Status Detail
2022-12-21 1.00365
Modified
 Windows 10,Windows Server 2016,Windows Server version 1803 (Server Core Installation),Windows Server version 1709 (Server Core Installation)
2022-12-14 1.00363
Modified
 Windows 10,Windows Server version 1803 (Server Core Installation),Windows Server 2016,Windows Server version 1709 (Server Core Installation)
2019-09-11 1.00194
Modified
 Windows 10,Windows Server 2016,Windows Server, version 1803 (Server Core Installation),Windows Server, version 1709 (Server Core Installation)
2019-01-08 1.00178
Modified
 Windows 10,Windows Server 2016,Windows Server, version 1803 (Server Core Installation),Windows Server, version 1709 (Server Core Installation)
2018-09-11 1.00170
New
 Windows 10,Windows Server 2016,Windows Server, version 1803 (Server Core Installation),Windows Server, version 1709 (Server Core Installation)

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8449
ID 50818
Created Sep 11, 2018
Description
Updated		 Jan 10, 2026
CVE ID
Risk black-background-circle-icon black-background-circle-icon lightgray-background-circle-icon lightgray-background-circle-icon lightgray-background-circle-icon
Coverage FortiClient
OS Windows
Vendor Microsoft
Patch auto
Application Windows 10 , Windows Server 2016 , Windows Server version 1803 (Server Core Installation) , Windows Server version 1709 (Server Core Installation)