Summary

A denial of service vulnerability exists in Windows DNS Server if the server is configured to answer version queries. An attacker who successfully exploits this vulnerability could cause the DNS Server service to become unresponsive.
To learn more about the vulnerability, go to the Security Update Guide.

More Information

Important

  • If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

How to obtain and install the update

Method 1: Windows Update

This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to turn on automatic updating, see Get security updates automatically.

Method 2: Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

Deployment information

For deployment details for this security update, go to the following article in the Microsoft Knowledge Base:

Security update deployment information: May 9, 2017

More Information

Help for installing updates: Windows Update FAQ

Security solutions for IT professionals: TechNet Security Support and Troubleshooting

Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure

Local support according to your country: International Support

File Information

File name

SHA1 hash

SHA256 hash

Windows6.0-KB4018196-x64.msu

9DE300553C1CD0DF9A0E3349DF3F1674D795E4FB

95371DB51917AB23C180F37D82299845DF4754CFDF41A0F0FFD89B1E88A50069

Windows6.0-KB4018196-x86.msu

6A937C9FA6CF63298282E7CC29BC8EB1EA226616

3501B601B7FAA785844DD996CC5B4E6A2D10E5793F1AFAF01DA122189E297AEA


File information
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.

Windows Server 2008 file information

Note: The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.

File name

File version

File size

Date

Time

Platform

Cache.dns

Not applicable

3,179

03-Sep-2008

18:33

Not applicable

Dns.exe

6.0.6002.19765

640,000

07-Apr-2017

14:53

x64

Dnsserver.events.xml

Not applicable

609

03-Sep-2008

18:33

Not applicable

Cache.dns

Not applicable

3,179

07-Mar-2016

23:34

Not applicable

Dns.exe

6.0.6002.24089

640,512

07-Apr-2017

14:53

x64

Dnsserver.events.xml

Not applicable

609

07-Mar-2016

23:34

Not applicable

File name

File version

File size

Date

Time

Platform

Cache.dns

Not applicable

3,179

16-Apr-2008

00:31

Not applicable

Dns.exe

6.0.6002.19765

510,976

07-Apr-2017

14:27

x86

Dnsserver.events.xml

Not applicable

609

16-Apr-2008

00:31

Not applicable

Cache.dns

Not applicable

3,179

07-Mar-2016

23:35

Not applicable

Dns.exe

6.0.6002.24089

511,488

07-Apr-2017

14:30

x86

Dnsserver.events.xml

Not applicable

609

07-Mar-2016

23:35

Not applicable

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