Summary

A spoofing vulnerability exists in the Windows implementation of wireless networking. An attacker who successfully exploits this vulnerability could potentially replay broadcast or multicast traffic to hosts on a WPA-protected or WPA 2-protected wireless network.

To learn more about the vulnerability, go to CVE-2017-13080.

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.

  • This security update will not be installed unless you are running the WLAN AutoConfig service.

Improvements and fixes

This security update contains the following improvements and fixes:

  • Addressed an issue in which creating a wireless policy by using the Group Policy Management Console (GPMC) causes a name conflict in Active Directory Domain Service (AD DS).

  • Addressed an issue in which a filter restart fails because of a race condition that occurs when querying the list of supported GUIDs.

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 Windows Update: FAQ.

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: October 16, 2017

More Information


File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight-saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.

Windows Server 2008 file information

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

How to obtain help and support for this security update

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 hash information

File name

SHA1 hash

SHA256 hash

Windows6.0-KB4042723-x86.msu

7A3A4418EF6D294BC6F327F1C909AC232A354D7A

414DCE7C07EB62B64FE4DFC1F9E418A03AA2275F57B06D54FAD6A0F6153C237B

Windows6.0-KB4042723-x64.msu

31F3BB67C56D9E8FD1DB20BCB36AAB6326533B08

3BC6424E9E1052115669FF3947869129301D9AC4CD7268BEFAA97DA063404EB0

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Nwifi.sys

6.0.6002.24202

148,992

13-Sep-2017

14:33

x86

Gatherwirelessinfo.vbs

Not applicable

15,181

07-Mar-2016

23:40

Not applicable

Gatherwirelessinfo.xslt

Not applicable

933

07-Mar-2016

23:40

Not applicable

Report.system.wireless.xml

Not applicable

59,620

07-Mar-2016

23:40

Not applicable

Rules.system.wireless.xml

Not applicable

164,452

07-Mar-2016

23:40

Not applicable

Wireless diagnostics.xml

Not applicable

33,857

07-Mar-2016

23:40

Not applicable

Wlan.mof

Not applicable

12,880

07-Mar-2016

23:40

Not applicable

Wlan.tmf

Not applicable

2,502,659

13-Sep-2017

14:33

Not applicable

Wlanapi.dll

6.0.6002.24202

65,024

13-Sep-2017

15:23

x86

Wlanhlp.dll

6.0.6002.24202

68,096

13-Sep-2017

15:23

x86

Wlanmsm.dll

6.0.6002.24202

293,376

13-Sep-2017

15:23

x86

Wlansec.dll

6.0.6002.24202

303,104

13-Sep-2017

15:23

x86

Wlansvc.dll

6.0.6002.24202

513,536

13-Sep-2017

15:23

x86

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Nwifi.sys

6.0.6002.24202

187,904

13-Sep-2017

14:42

x64

Gatherwirelessinfo.vbs

Not applicable

15,181

07-Mar-2016

23:40

Not applicable

Gatherwirelessinfo.xslt

Not applicable

933

07-Mar-2016

23:40

Not applicable

Report.system.wireless.xml

Not applicable

59,620

07-Mar-2016

23:40

Not applicable

Rules.system.wireless.xml

Not applicable

164,452

07-Mar-2016

23:40

Not applicable

Wireless diagnostics.xml

Not applicable

33,857

07-Mar-2016

23:40

Not applicable

Wlan.mof

Not applicable

12,880

07-Mar-2016

23:40

Not applicable

Wlan.tmf

Not applicable

2,610,078

13-Sep-2017

14:42

Not applicable

Wlanapi.dll

6.0.6002.24202

86,528

13-Sep-2017

15:23

x64

Wlanhlp.dll

6.0.6002.24202

97,792

13-Sep-2017

15:23

x64

Wlanmsm.dll

6.0.6002.24202

353,280

13-Sep-2017

15:23

x64

Wlansec.dll

6.0.6002.24202

376,832

13-Sep-2017

15:23

x64

Wlansvc.dll

6.0.6002.24202

615,936

13-Sep-2017

15:23

x64

Wlan.mof

Not applicable

12,880

07-Mar-2016

23:40

Not applicable

Wlanapi.dll

6.0.6002.24202

65,024

13-Sep-2017

15:23

x86

Wlanhlp.dll

6.0.6002.24202

68,096

13-Sep-2017

15:23

x86

Wlanmsm.dll

6.0.6002.24202

293,376

13-Sep-2017

15:23

x86

Wlansec.dll

6.0.6002.24202

303,104

13-Sep-2017

15:23

x86

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

What affected your experience?

Thank you for your feedback!

×