Patch

CVE-2021-26414

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Vulnerability Overview

CVE Name

CVE-2021-26414

Severity

4.8

Low

CVE Description

Windows DCOM Server Security Feature Bypass

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Latest Patch info

There is no patch available at the moment, but you can use our script.

Patch Name

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26414

Date

09.06.2021

Script

Script Type

Remediation script

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The following script will disables the insecure DCOM authentication by creation of the "LegacyAuthenticationLevel" DWORD value and setting its value to 2 which is a security configuration change that modifies the way COM and OLE handle legacy authentication protocols which will mitigate the method that is used by threat actor to exploit the vulnerability.

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Affected OS & Apps

Windows Server 2022

Microsoft

Windows Server 2019

Microsoft

Windows Server 2016

Microsoft

4.8

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