Advisory Published
Updated

CVE-2023-36434: Windows IIS Server Elevation of Privilege Vulnerability

First published: Tue Oct 10 2023(Updated: )

Windows IIS Server Elevation of Privilege Vulnerability

Credit: secure@microsoft.com secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows Server 2019
Microsoft Windows 11=22H2
Microsoft Windows 11=22H2
Microsoft Windows 10=22H2
Microsoft Windows 10=22H2
Microsoft Windows 10=22H2
Microsoft Windows 10=1607
Microsoft Windows 10=1607
Microsoft Windows Server 2008
Microsoft Windows Server 2022
Microsoft Windows Server 2022
Microsoft Windows 11=21H2
Microsoft Windows 11=21H2
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
=1809
=1809
=1809
=22H2
=22H2
=22H2
=22H2
=22H2
=1607
=1607
=21H2
=21H2
=21H2
=21H2
=21H2
Microsoft Windows 10<10.0.10240.20232
Microsoft Windows Server 2012<10.0.14393.6351
Microsoft Windows 11<10.0.14393.6351
Microsoft Windows Server 2016<10.0.17763.4974
Microsoft Windows Server 2016<10.0.17763.4974
Microsoft Windows Server 2019<10.0.19041.3570
Microsoft Windows 10 22h2<10.0.19041.3570
Microsoft Windows 11 21h2<10.0.22000.2538
Microsoft Windows 11<10.0.22621.2428
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft Windows Server 2022

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Frequently Asked Questions

  • What is CVE-2023-36434?

    CVE-2023-36434 is a vulnerability in Windows IIS Server that allows elevation of privilege.

  • How severe is CVE-2023-36434?

    CVE-2023-36434 has a severity rating of 9.8, which is considered critical.

  • Which software is affected by CVE-2023-36434?

    Windows 10, Windows 11, Windows Server 2008, Windows Server 2012, Windows Server 2016, Windows Server 2019, and Windows Server 2022 are affected by CVE-2023-36434.

  • How do I fix CVE-2023-36434?

    To fix CVE-2023-36434, apply the appropriate patch provided by Microsoft based on the affected software version.

  • Where can I find more information about CVE-2023-36434?

    You can find more information about CVE-2023-36434 on the Microsoft Security Response Center website.

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