Summary
This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if Windows improperly allows web content to load from the Windows lock screen.
To learn more about the vulnerability, see Microsoft Security Bulletin MS16-112.
More Information
Important
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All future security and non-security updates for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 require update 2919355 to be installed. We recommend that you install update 2919355 on your Windows RT 8.1-based, Windows 8.1-based, or Windows Server 2012 R2-based computer so that you receive future updates.
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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.
Note For Windows RT 8.1, this update is available through Windows Update only.
Method 2: Microsoft Update Catalog
To get the stand-alone package for this update, go to the Microsoft Update Catalog website.
You can obtain the stand-alone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update.
Click the download link in Microsoft Security Bulletin MS16-112 that corresponds to the version of Windows that you are running.
More Information
Help for installing updates: Support for Microsoft Update
Security solutions for IT professionals: TechNet Security Troubleshooting and Support
Help for protecting your Windows-based computer from viruses and malware: Virus Solution and Security Center
Local support according to your country: International Support
File Information
|
File name |
SHA1 hash |
SHA256 hash |
|---|---|---|
|
Windows8.1-KB3178539-x64.msu |
60A85967F423AC37429757D8FBF7212540DEA922 |
EAB98A9AB742833DD689E07F2C902D81B6F6B09ECF11D21A38CA3B7CA4F2B99A |
|
Windows8.1-KB3178539-x86.msu |
BCF957A9F18D52C7D6920CCCAF1967CD91DEF40B |
86E1A36A57CD2FA87B46595A15B29ECEAE31FDBF87DFF71D17DD0B4E542F2A46 |
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.
Windows 8.1 and Windows Server 2012 R2 file information
Notes: The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.
For all supported x64-based versions
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Pnidui.dll |
6.3.9600.18437 |
627,200 |
11-Aug-2016 |
16:17 |
x64 |
|
Pnidui.ptxml |
Not applicable |
1,495 |
22-Aug-2013 |
06:47 |
Not applicable |
|
Wwanconn.dll |
8.1.9600.18437 |
455,680 |
11-Aug-2016 |
16:16 |
x64 |
|
Wwanmm.dll |
8.1.9600.18437 |
1,156,608 |
11-Aug-2016 |
16:26 |
x64 |
|
Wwanpref.dll |
8.1.9600.17415 |
50,688 |
29-Oct-2014 |
02:17 |
x64 |
|
Wwanui.ptxml |
Not applicable |
3,237 |
22-Aug-2013 |
06:58 |
Not applicable |
For all supported x86-based versions
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Pnidui.dll |
6.3.9600.18437 |
572,928 |
11-Aug-2016 |
15:48 |
x86 |
|
Pnidui.ptxml |
Not applicable |
1,495 |
21-Aug-2013 |
23:42 |
Not applicable |
|
Wwanconn.dll |
8.1.9600.18437 |
373,760 |
11-Aug-2016 |
15:47 |
x86 |
|
Wwanmm.dll |
8.1.9600.18437 |
1,119,232 |
11-Aug-2016 |
15:52 |
x86 |
|
Wwanpref.dll |
8.1.9600.17415 |
41,984 |
29-Oct-2014 |
01:38 |
x86 |
|
Wwanui.ptxml |
Not applicable |
3,237 |
21-Aug-2013 |
23:54 |
Not applicable |
