Security update for the Windows Error Reporting elevation of privilege vulnerability for and Windows Server 2008: August 8, 2017

Summary

This security update resolves a vulnerability in Windows Error Reporting (WER). The vulnerability could allow elevation of privilege if successfully exploited by an attacker. An attacker who successfully exploits this vulnerability could gain greater access to sensitive information and system functionality. This update corrects the way that WER handles and executes files.

To learn more about the vulnerability, go to CVE-2017-8633.

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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 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: August 8, 2017

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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-KB4035679-x86.msu	14D26C481D53164D7795958F05804F7C146CFD2B	782949A316703023CFDDA920461E2D0AF636F856C0B86F293D87B04FC94800F0
Windows6.0-KB4035679-ia64.msu	5D949B1587F7AB260F506D87BA3074866D95461C	C65A06C98797CD8245D9FCABC4080028F1484882FD6BA484A96B874054E335B0
Windows6.0-KB4035679-x64.msu	20C26AB44C7953983A77AEB8215FD718697AE7BB	FF78C8B8A44D9A988C1168BB62324B4930EF7D99FE735D1944415059ADFE0245

For all supported x86-based versions

File name	File version	File size	Date	Time	Platform
Wer.dll	6.0.6002.19848	877,568	14-Jul-2017	17:42	x86
Werdiagcontroller.dll	6.0.6002.19848	30,208	14-Jul-2017	17:42	x86
Wermgr.exe	6.0.6002.19848	56,320	14-Jul-2017	15:58	x86
Wer.dll	6.0.6002.24169	877,568	14-Jul-2017	18:00	x86
Werdiagcontroller.dll	6.0.6002.24169	30,208	14-Jul-2017	18:00	x86
Wermgr.exe	6.0.6002.24169	56,320	14-Jul-2017	15:29	x86

For all supported ia64-based versions

File name	File version	File size	Date	Time	Platform
Wer.dll	6.0.6002.19848	2,181,120	14-Jul-2017	17:29	IA-64
Werdiagcontroller.dll	6.0.6002.19848	57,344	14-Jul-2017	17:29	IA-64
Wermgr.exe	6.0.6002.19848	131,072	14-Jul-2017	16:02	IA-64
Wer.dll	6.0.6002.24169	2,181,120	14-Jul-2017	16:22	IA-64
Werdiagcontroller.dll	6.0.6002.24169	57,344	14-Jul-2017	16:22	IA-64
Wermgr.exe	6.0.6002.24169	131,072	14-Jul-2017	15:31	IA-64
Wer.dll	6.0.6002.19848	877,568	14-Jul-2017	17:42	x86
Werdiagcontroller.dll	6.0.6002.19848	30,208	14-Jul-2017	17:42	x86
Wermgr.exe	6.0.6002.19848	56,320	14-Jul-2017	15:58	x86
Wer.dll	6.0.6002.24169	877,568	14-Jul-2017	18:00	x86
Werdiagcontroller.dll	6.0.6002.24169	30,208	14-Jul-2017	18:00	x86
Wermgr.exe	6.0.6002.24169	56,320	14-Jul-2017	15:29	x86

For all supported x64-based versions

File name	File version	File size	Date	Time	Platform
Wer.dll	6.0.6002.19848	1,112,064	14-Jul-2017	17:52	x64
Werdiagcontroller.dll	6.0.6002.19848	34,816	14-Jul-2017	17:52	x64
Wermgr.exe	6.0.6002.19848	57,856	14-Jul-2017	16:14	x64
Wer.dll	6.0.6002.24169	1,112,064	14-Jul-2017	16:49	x64
Werdiagcontroller.dll	6.0.6002.24169	34,816	14-Jul-2017	16:49	x64
Wermgr.exe	6.0.6002.24169	57,856	14-Jul-2017	15:51	x64
Wer.dll	6.0.6002.19848	877,568	14-Jul-2017	17:42	x86
Werdiagcontroller.dll	6.0.6002.19848	30,208	14-Jul-2017	17:42	x86
Wermgr.exe	6.0.6002.19848	56,320	14-Jul-2017	15:58	x86
Wer.dll	6.0.6002.24169	877,568	14-Jul-2017	18:00	x86
Werdiagcontroller.dll	6.0.6002.24169	30,208	14-Jul-2017	18:00	x86
Wermgr.exe	6.0.6002.24169	56,320	14-Jul-2017	15:29	x86