MS15-048: Description of the security update for the .NET Framework 3.5 on Windows 8 and Windows Server 2012: May 12, 2015

View products that this article applies to.

Introduction

This update resolves vulnerabilities in the Microsoft .NET Framework. These vulnerabilities allow denial of service (DoS).

Summary

Microsoft has released security bulletin MS15-048. Learn more about how to obtain the fixes that are included in this security bulletin:

• For individual, small business, and organizational users, use the Windows automatic updating feature to install the fixes from Microsoft Update. To do this, see Get security updates automatically on the Microsoft Safety and Security Center website.

• For IT professionals, see Microsoft Security Bulletin MS15-048 on the Security TechCenter website.

How to obtain help and support for this security update

Help installing updates: Support for Microsoft Update

Security solutions for IT professionals: TechNet Security Troubleshooting and Support

Help protect your Windows-based computer from viruses and malware: Virus Solution and Security Center

Local support according to your country: International Support

More information about this security update

Download information

To install this update, install it from Microsoft Windows Update.

Additionally, you can install this update from the Microsoft Download Center.

Command-line switches for this update

Learn about the various command-line switches that are supported by this Microsoft .NET Framework 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 updates 2863243 and 2804584.

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.

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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 systemsGDR service branch

File name	File version	File size	Date	Time
system.security.resources.dll	2.0.50727.4927	28,672	06-Dec-2013	23:27
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	20:09
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	20:09
system.security.resources.dll	2.0.50727.6400	28,672	06-Dec-2013	23:28
system.security.resources.dll	2.0.50727.4927	32,768	06-Jul-2012	20:09
system.security.resources.dll	2.0.50727.6400	28,672	06-Dec-2013	23:27
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	20:09
system.security.resources.dll	2.0.50727.6400	28,672	06-Dec-2013	23:27
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	20:07
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	20:08
system.security.resources.dll	2.0.50727.6400	28,672	13-Sep-2012	22:03
system.security.resources.dll	2.0.50727.6400	28,672	06-Dec-2013	23:28
system.security.resources.dll	2.0.50727.6400	28,672	13-Sep-2012	22:03
system.security.resources.dll	2.0.50727.4927	16,896	06-Jul-2012	20:08
system.security.resources.dll	2.0.50727.6400	28,672	13-Sep-2012	22:03
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	19:37
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	19:37
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	19:37
system.security.resources.dll	2.0.50727.4927	32,768	06-Jul-2012	19:37
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	19:48
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	19:47
system.security.resources.dll	2.0.50727.6400	16,384	13-Sep-2012	22:03
system.security.resources.dll	2.0.50727.6400	16,384	13-Sep-2012	22:03
system.security.dll	2.0.50727.6426	262,144	13-Feb-2015	23:16
LDR service branch
File name	File version	File size	Date	Time
—	—	—	—	—
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	20:00
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	19:59
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	19:59
system.security.resources.dll	2.0.50727.6400	28,672	09-Oct-2012	02:40
system.security.resources.dll	2.0.50727.4927	32,768	06-Jul-2012	19:58
system.security.resources.dll	2.0.50727.6400	28,672	09-Oct-2012	02:40
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	19:59
system.security.resources.dll	2.0.50727.6400	28,672	09-Oct-2012	02:40
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	19:57
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	19:59
system.security.resources.dll	2.0.50727.6400	28,672	13-Sep-2012	22:04
system.security.resources.dll	2.0.50727.6400	28,672	09-Oct-2012	02:40
system.security.resources.dll	2.0.50727.6400	28,672	13-Sep-2012	22:04
system.security.resources.dll	2.0.50727.4927	16,896	06-Jul-2012	19:59
system.security.resources.dll	2.0.50727.6400	28,672	13-Sep-2012	22:04
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	20:02
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	20:01
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	20:03
system.security.resources.dll	2.0.50727.4927	32,768	06-Jul-2012	20:02
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	20:06
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	20:05
system.security.resources.dll	2.0.50727.6400	16,384	13-Sep-2012	22:04
system.security.resources.dll	2.0.50727.6400	16,384	13-Sep-2012	22:04
system.security.dll	2.0.50727.8652	262,144	13-Feb-2015	23:24
For all supported x64-based versions of systemsGDR service branchFile name	File version	File size	Date	Time
—	—	—	—	—
system.security.dll	2.0.50727.6426	262,144	13-Feb-2015	23:17
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	20:22
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	19:45
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	19:44
system.security.resources.dll	2.0.50727.6400	28,672	28-Sep-2012	21:41
system.security.resources.dll	2.0.50727.4927	32,768	06-Jul-2012	19:42
system.security.resources.dll	2.0.50727.6400	28,672	28-Sep-2012	21:41
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	19:44
system.security.resources.dll	2.0.50727.6400	28,672	28-Sep-2012	21:41
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	19:41
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	19:46
system.security.resources.dll	2.0.50727.6400	28,672	13-Sep-2012	22:04
system.security.resources.dll	2.0.50727.6400	28,672	28-Sep-2012	21:41
system.security.resources.dll	2.0.50727.6400	28,672	13-Sep-2012	22:04
system.security.resources.dll	2.0.50727.4927	16,896	06-Jul-2012	19:46
system.security.resources.dll	2.0.50727.6400	28,672	13-Sep-2012	22:03
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	19:47
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	19:46
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	19:47
system.security.resources.dll	2.0.50727.4927	32,768	06-Jul-2012	19:46
system.security.resources.dll	2.0.50727.4927	28,672	07-Oct-2013	22:56
system.security.resources.dll	2.0.50727.4927	28,672	07-Oct-2013	22:56
system.security.resources.dll	2.0.50727.6400	16,384	07-Oct-2013	22:56
system.security.resources.dll	2.0.50727.6400	16,384	07-Oct-2013	22:56
system.security.dll	2.0.50727.6426	262,144	13-Feb-2015	23:16
LDR service branch
File name	File version	File size	Date	Time
—	—	—	—	—
system.security.dll	2.0.50727.8652	262,144	13-Feb-2015	23:25
system.security.resources.dll	2.0.50727.4927	28,672	22-Jul-2013	22:16
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	20:04
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	20:04
system.security.resources.dll	2.0.50727.6400	28,672	22-Jul-2013	22:20
system.security.resources.dll	2.0.50727.4927	32,768	06-Jul-2012	20:03
system.security.resources.dll	2.0.50727.6400	28,672	22-Jul-2013	22:17
system.security.resources.dll	2.0.50727.4927	28,672	06-Jul-2012	20:04
system.security.resources.dll	2.0.50727.6400	28,672	22-Jul-2013	22:17
system.security.resources.dll	2.0.50727.4927	28,672	29-Oct-2014	18:40
system.security.resources.dll	2.0.50727.4927	28,672	29-Oct-2014	18:41
system.security.resources.dll	2.0.50727.6400	28,672	29-Oct-2014	18:41
system.security.resources.dll	2.0.50727.6400	28,672	22-Jul-2013	22:16
system.security.resources.dll	2.0.50727.6400	28,672	29-Oct-2014	18:41
system.security.resources.dll	2.0.50727.4927	16,896	29-Oct-2014	18:40
system.security.resources.dll	2.0.50727.6400	28,672	04-Oct-2012	20:58
system.security.resources.dll	2.0.50727.4927	28,672	04-Oct-2012	20:58
system.security.resources.dll	2.0.50727.4927	28,672	04-Oct-2012	20:58
system.security.resources.dll	2.0.50727.4927	28,672	04-Oct-2012	20:58
system.security.resources.dll	2.0.50727.4927	32,768	04-Oct-2012	20:58
system.security.resources.dll	2.0.50727.4927	28,672	08-Jan-2014	21:49
system.security.resources.dll	2.0.50727.4927	28,672	08-Jan-2014	21:49
system.security.resources.dll	2.0.50727.6400	16,384	08-Jan-2014	21:49
system.security.resources.dll	2.0.50727.6400	16,384	08-Jan-2014	21:50
system.security.dll	2.0.50727.8652	262,144	13-Feb-2015	23:24

Applies toThis article applies to the following:

• Microsoft .NET Framework 3.5 when used with:
  • Windows Server 2012
  • Windows 8