MS15-118: Description of the security update for the .NET Framework 4.6 and 4.6 RC on Windows 8 and Windows Server 2012: November 10, 2015

Summary
This update resolves vulnerabilities in the Microsoft .NET Framework. The most severe of these vulnerabilities could allow elevation of privilege if an attacker injects a client-side script into a user's browser. To learn more about this vulnerability, see Microsoft Security Bulletin MS15-118.

How to obtain and install this 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 Download Center

You can obtain the stand-alone update package through the Microsoft Download Center. To install this update, follow the installation instructions on the download page.

DownloadDownload security update 3098784

Update deployment information

For deployment information about this update, see Microsoft Knowledge Base article 3104507.

Update removal information

Note We do not recommend that you remove any security update.

To remove this update, use the Programs and Features item in Control Panel.

Update restart information

This update does not require a system restart after you apply it unless files that are being updated are locked or are being used.

Update replacement information

This update replaces previously released update 3097999.

File information

The English (United States) version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the 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 the times may change when you perform certain operations on the files.

For all supported x86-based versions of systems

File nameFile versionFile sizeDateTimePlatformService branch
System.web.applicationservices.dll4.6.114.070,92802-Oct-201515:30x86Not applicable
System.web.applicationservices.dll4.6.114.070,92802-Oct-201521:01x86Not applicable
System.web.extensions.dll4.6.114.01,849,04802-Oct-201515:30x86Not applicable
System.web.extensions.dll4.6.114.01,849,04802-Oct-201521:01x86Not applicable
Aspnet_perf.hNot applicable7,17712-May-201517:38Not applicableX86_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.17597_NONE_03E37A7CF62586F5
Aspnet_perf2.iniNot applicable995,53412-May-201517:38Not applicableX86_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.17597_NONE_03E37A7CF62586F5
Aspnet_perf2_d.iniNot applicable3112-May-201517:38Not applicableX86_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.17597_NONE_03E37A7CF62586F5
Aspnet_state_perf.hNot applicable31812-May-201517:38Not applicableX86_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.17597_NONE_03E37A7CF62586F5
Aspnet_state_perf.iniNot applicable42,99612-May-201517:38Not applicableX86_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.17597_NONE_03E37A7CF62586F5
Aspnet_state_perf_d.iniNot applicable3612-May-201517:38Not applicableX86_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.17597_NONE_03E37A7CF62586F5
Aspnet_perf.hNot applicable7,17709-Sep-201513:35Not applicableX86_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.21701_NONE_04C866BE0EFF9063
Aspnet_perf2.iniNot applicable995,53409-Sep-201513:35Not applicableX86_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.21701_NONE_04C866BE0EFF9063
Aspnet_perf2_d.iniNot applicable3109-Sep-201513:35Not applicableX86_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.21701_NONE_04C866BE0EFF9063
Aspnet_state_perf.hNot applicable31809-Sep-201513:35Not applicableX86_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.21701_NONE_04C866BE0EFF9063
Aspnet_state_perf.iniNot applicable42,99609-Sep-201513:35Not applicableX86_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.21701_NONE_04C866BE0EFF9063
Aspnet_state_perf_d.iniNot applicable3609-Sep-201513:35Not applicableX86_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.21701_NONE_04C866BE0EFF9063
Aspnet_perf.dll4.6.114.041,13602-Oct-201515:30x86Not applicable
Aspnet_perf.dll4.6.114.041,13602-Oct-201521:01x86Not applicable
Aspnet_state_perf.hNot applicable31812-May-201517:38Not applicableNot applicable
Aspnet_state_perf.hNot applicable31809-Sep-201513:35Not applicableNot applicable
Aspnet_state_perf.iniNot applicable42,99612-May-201517:38Not applicableNot applicable
Aspnet_state_perf.iniNot applicable42,99609-Sep-201513:35Not applicableNot applicable
Aspnet_wp.exe4.6.114.042,65602-Oct-201515:30x86Not applicable
Aspnet_wp.exe4.6.114.042,65602-Oct-201521:01x86Not applicable
Msvcr120_clr0400.dll12.0.52512.0987,84812-May-201517:38x86Not applicable
Msvcr120_clr0400.dll12.0.52512.0987,84809-Sep-201513:35x86Not applicable
System.web.extensions.dll4.6.114.01,849,04802-Oct-201515:30x86Not applicable
System.web.extensions.dll4.6.114.01,849,04802-Oct-201521:01x86Not applicable
Webengine4.dll4.6.114.0511,15202-Oct-201515:30x86Not applicable
Webengine4.dll4.6.114.0511,15202-Oct-201521:01x86Not applicable
Webengine.dll4.6.114.024,73602-Oct-201515:30x86Not applicable
Webengine.dll4.6.114.024,73602-Oct-201521:01x86Not applicable
System.web.dll4.6.114.05,346,48002-Oct-201515:30x86Not applicable
System.web.dll4.6.114.05,346,48002-Oct-201521:01x86Not applicable

For all supported x64-based versions of systems

File nameFile versionFile sizeDateTimePlatformService branch
Aspnet_perf.hNot applicable7,17712-May-201517:37Not applicableAMD64_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.17597_NONE_60021600AE82F82B
Aspnet_perf2.iniNot applicable995,53412-May-201517:37Not applicableAMD64_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.17597_NONE_60021600AE82F82B
Aspnet_perf2_d.iniNot applicable3112-May-201517:37Not applicableAMD64_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.17597_NONE_60021600AE82F82B
Aspnet_state_perf.hNot applicable31812-May-201517:37Not applicableAMD64_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.17597_NONE_60021600AE82F82B
Aspnet_state_perf.iniNot applicable42,99612-May-201517:37Not applicableAMD64_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.17597_NONE_60021600AE82F82B
Aspnet_state_perf_d.iniNot applicable3612-May-201517:37Not applicableAMD64_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.17597_NONE_60021600AE82F82B
Aspnet_perf.hNot applicable7,17709-Sep-201513:34Not applicableAMD64_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.21701_NONE_60E70241C75D0199
Aspnet_perf2.iniNot applicable995,53409-Sep-201513:34Not applicableAMD64_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.21701_NONE_60E70241C75D0199
Aspnet_perf2_d.iniNot applicable3109-Sep-201513:34Not applicableAMD64_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.21701_NONE_60E70241C75D0199
Aspnet_state_perf.hNot applicable31809-Sep-201513:34Not applicableAMD64_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.21701_NONE_60E70241C75D0199
Aspnet_state_perf.iniNot applicable42,99609-Sep-201513:34Not applicableAMD64_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.21701_NONE_60E70241C75D0199
Aspnet_state_perf_d.iniNot applicable3609-Sep-201513:34Not applicableAMD64_NETFX-ASPNET-NONWOW64-SHARED_B03F5F7F11D50A3A_4.0.9200.21701_NONE_60E70241C75D0199
Aspnet_perf.dll4.6.114.045,23202-Oct-201515:30x64Not applicable
Aspnet_perf.dll4.6.114.045,23202-Oct-201521:01x64Not applicable
Aspnet_state_perf.hNot applicable31812-May-201517:37Not applicableNot applicable
Aspnet_state_perf.hNot applicable31809-Sep-201513:34Not applicableNot applicable
Aspnet_state_perf.iniNot applicable42,99612-May-201517:37Not applicableNot applicable
Aspnet_state_perf.iniNot applicable42,99609-Sep-201513:34Not applicableNot applicable
Aspnet_wp.exe4.6.114.047,78402-Oct-201515:30x64Not applicable
Aspnet_wp.exe4.6.114.047,78402-Oct-201521:01x64Not applicable
Msvcr120_clr0400.dll12.0.52512.0993,63212-May-201517:37x64Not applicable
Msvcr120_clr0400.dll12.0.52512.0993,63209-Sep-201513:34x64Not applicable
System.web.applicationservices.dll4.6.114.070,92802-Oct-201515:30x86Not applicable
System.web.applicationservices.dll4.6.114.070,92802-Oct-201521:01x86Not applicable
System.web.extensions.dll4.6.114.01,849,04802-Oct-201515:30x86Not applicable
System.web.extensions.dll4.6.114.01,849,04802-Oct-201521:01x86Not applicable
Webengine4.dll4.6.114.0622,24802-Oct-201515:30x64Not applicable
Webengine4.dll4.6.114.0622,24802-Oct-201521:01x64Not applicable
Webengine.dll4.6.114.026,28002-Oct-201515:30x64Not applicable
Webengine.dll4.6.114.026,28002-Oct-201521:01x64Not applicable
System.web.dll4.6.114.05,335,20802-Oct-201515:30x64Not applicable
System.web.dll4.6.114.05,335,20802-Oct-201521:01x64Not applicable
System.web.applicationservices.dll4.6.114.070,92802-Oct-201515:30x86Not applicable
System.web.applicationservices.dll4.6.114.070,92802-Oct-201521:01x86Not applicable
System.web.extensions.dll4.6.114.01,849,04802-Oct-201515:30x86Not applicable
System.web.extensions.dll4.6.114.01,849,04802-Oct-201521:01x86Not applicable
Aspnet_perf.dll4.6.114.041,13602-Oct-201515:30x86Not applicable
Aspnet_perf.dll4.6.114.041,13602-Oct-201521:01x86Not applicable
Aspnet_state_perf.hNot applicable31812-May-201517:38Not applicableNot applicable
Aspnet_state_perf.hNot applicable31809-Sep-201513:35Not applicableNot applicable
Aspnet_state_perf.iniNot applicable42,99612-May-201517:38Not applicableNot applicable
Aspnet_state_perf.iniNot applicable42,99609-Sep-201513:35Not applicableNot applicable
Aspnet_wp.exe4.6.114.042,65602-Oct-201515:30x86Not applicable
Aspnet_wp.exe4.6.114.042,65602-Oct-201521:01x86Not applicable
Msvcr120_clr0400.dll12.0.52512.0987,84812-May-201517:38x86Not applicable
Msvcr120_clr0400.dll12.0.52512.0987,84809-Sep-201513:35x86Not applicable
System.web.extensions.dll4.6.114.01,849,04802-Oct-201515:30x86Not applicable
System.web.extensions.dll4.6.114.01,849,04802-Oct-201521:01x86Not applicable
Webengine4.dll4.6.114.0511,15202-Oct-201515:30x86Not applicable
Webengine4.dll4.6.114.0511,15202-Oct-201521:01x86Not applicable
Webengine.dll4.6.114.024,73602-Oct-201515:30x86Not applicable
Webengine.dll4.6.114.024,73602-Oct-201521:01x86Not applicable
System.web.dll4.6.114.05,346,48002-Oct-201515:30x86Not applicable
System.web.dll4.6.114.05,346,48002-Oct-201521:01x86Not applicable

How to obtain help and support for this security update

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

Applies to

This article applies to the following:
  • Microsoft .NET Framework 4.6 and 4.6 RC when used with:
    • Windows Server 2012
    • Windows 8
Properties

Article ID: 3098784 - Last Review: 11/10/2015 18:35:00 - Revision: 1.0

Microsoft .NET Framework 4.6, Microsoft .NET Framework 4.6 RC

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