MS15-048: Description of the security update for the .NET Framework 4.5, 4.5.1, and 4.5.2 on Windows 8, Windows RT, 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 does not replace any previously released update.

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.

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	4.0.30319.34209	37,096	06-Jun-2014	04:25
system.security.resources.dll	4.0.30319.34209	35,560	06-Jun-2014	04:24
system.security.resources.dll	4.0.30319.34209	35,048	06-Jun-2014	04:24
system.security.resources.dll	4.0.30319.34209	35,560	06-Jun-2014	04:25
system.security.resources.dll	4.0.30319.34209	41,192	06-Jun-2014	04:24
system.security.resources.dll	4.0.30319.34209	36,072	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.34209	35,560	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	36,072	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.34209	36,584	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	36,584	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	35,560	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	37,096	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.34209	36,072	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	34,536	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	35,560	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	36,072	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	35,560	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	35,560	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	39,144	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	35,048	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	35,048	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	34,024	06-Jun-2014	04:25
system.security.resources.dll	4.0.30319.34209	34,024	06-Jun-2014	04:25
system.security.dll	4.0.30319.34248	289,928	13-Feb-2015	23:16

LDR service branch

File name	File version	File size	Date	Time
system.security.resources.dll	4.0.30319.36213	37,096	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.36213	35,560	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	35,048	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	35,560	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.36213	41,192	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	36,064	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.36213	35,560	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	36,072	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.36213	36,584	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	36,576	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.36213	35,560	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	37,096	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.36213	36,072	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	34,536	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.36213	35,560	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	36,072	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	35,560	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	35,560	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	39,144	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	35,048	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	35,048	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	34,024	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	34,024	05-Jun-2014	01:10
system.security.dll	4.0.30319.36283	289,912	13-Feb-2015	23:24

For all supported x64-based versions of systemsGDR service branch

File name	File version	File size	Date	Time
system.security.dll	4.0.30319.34248	289,928	13-Feb-2015	23:17
system.security.resources.dll	4.0.30319.34209	37,096	06-Jun-2014	06:23
system.security.resources.dll	4.0.30319.34209	35,560	06-Jun-2014	04:38
system.security.resources.dll	4.0.30319.34209	35,048	06-Jun-2014	04:38
system.security.resources.dll	4.0.30319.34209	35,560	06-Jun-2014	06:23
system.security.resources.dll	4.0.30319.34209	41,192	06-Jun-2014	04:38
system.security.resources.dll	4.0.30319.34209	36,072	05-Jun-2014	01:12
system.security.resources.dll	4.0.30319.34209	35,560	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	36,072	05-Jun-2014	01:12
system.security.resources.dll	4.0.30319.34209	36,584	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.34209	36,584	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.34209	35,560	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.34209	37,096	05-Jun-2014	01:12
system.security.resources.dll	4.0.30319.34209	36,072	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.34209	34,536	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.34209	35,560	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	36,072	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	35,560	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	35,560	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	39,144	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	35,048	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	35,048	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	34,024	06-Jun-2014	05:28
system.security.resources.dll	4.0.30319.34209	34,024	06-Jun-2014	05:28
system.security.dll	4.0.30319.34248	289,928	13-Feb-2015	23:16

LDR service branch

File name	File version	File size	Date	Time
system.security.dll	4.0.30319.36283	289,912	13-Feb-2015	23:25
system.security.resources.dll	4.0.30319.36213	37,096	05-Jun-2014	01:12
system.security.resources.dll	4.0.30319.36213	35,560	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	35,048	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	35,560	05-Jun-2014	01:12
system.security.resources.dll	4.0.30319.36213	41,192	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	36,072	05-Jun-2014	01:12
system.security.resources.dll	4.0.30319.36213	35,560	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	36,072	05-Jun-2014	01:12
system.security.resources.dll	4.0.30319.36213	36,584	29-Oct-2014	18:40
system.security.resources.dll	4.0.30319.36213	36,584	29-Oct-2014	18:42
system.security.resources.dll	4.0.30319.36213	35,560	29-Oct-2014	18:41
system.security.resources.dll	4.0.30319.36213	37,096	05-Jun-2014	01:12
system.security.resources.dll	4.0.30319.36213	36,072	29-Oct-2014	18:42
system.security.resources.dll	4.0.30319.36213	34,536	29-Oct-2014	18:41
system.security.resources.dll	4.0.30319.36213	35,560	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	36,072	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	35,560	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.36213	35,560	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.36213	39,144	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.36213	35,048	05-Jun-2014	01:30
system.security.resources.dll	4.0.30319.36213	35,048	05-Jun-2014	01:30
system.security.resources.dll	4.0.30319.36213	34,024	05-Jun-2014	01:30
system.security.resources.dll	4.0.30319.36213	34,024	05-Jun-2014	01:30
system.security.dll	4.0.30319.36283	289,912	13-Feb-2015	23:24

For all supported ARM-based versions of systems

File name	File version	File size	Date	Time
system.security.resources.dll	4.0.30319.34209	38,960	06-Jun-2014	04:25
system.security.resources.dll	4.0.30319.34209	37,432	06-Jun-2014	04:25
system.security.resources.dll	4.0.30319.34209	36,912	06-Jun-2014	04:25
system.security.resources.dll	4.0.30319.34209	37,432	06-Jun-2014	04:25
system.security.resources.dll	4.0.30319.34209	43,056	06-Jun-2014	04:25
system.security.resources.dll	4.0.30319.34209	37,944	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.34209	37,424	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	37,944	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.34209	38,448	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	38,456	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	37,424	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	38,968	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.34209	37,936	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	36,400	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	37,432	12-Jun-2014	00:23
system.security.resources.dll	4.0.30319.34209	37,952	12-Jun-2014	00:24
system.security.resources.dll	4.0.30319.34209	37,424	12-Jun-2014	00:23
system.security.resources.dll	4.0.30319.34209	37,440	12-Jun-2014	00:24
system.security.resources.dll	4.0.30319.34209	41,008	12-Jun-2014	00:22
system.security.resources.dll	4.0.30319.34209	36,928	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	36,928	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	35,896	06-Jun-2014	04:25
system.security.resources.dll	4.0.30319.34209	35,888	06-Jun-2014	04:25
system.security.dll	4.0.30319.34248	289,928	13-Feb-2015	23:16
system.security.resources.dll	4.0.30319.34209	38,960	06-Jun-2014	04:25
system.security.resources.dll	4.0.30319.34209	37,432	06-Jun-2014	04:25
system.security.resources.dll	4.0.30319.34209	36,912	06-Jun-2014	04:25
system.security.resources.dll	4.0.30319.34209	37,432	06-Jun-2014	04:25
system.security.resources.dll	4.0.30319.34209	43,056	06-Jun-2014	04:25
system.security.resources.dll	4.0.30319.34209	37,944	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.34209	37,424	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	37,944	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.34209	38,448	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	38,456	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	37,424	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	38,968	05-Jun-2014	01:11
system.security.resources.dll	4.0.30319.34209	37,936	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	36,400	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	37,432	12-Jun-2014	00:23
system.security.resources.dll	4.0.30319.34209	37,952	12-Jun-2014	00:24
system.security.resources.dll	4.0.30319.34209	37,424	12-Jun-2014	00:23
system.security.resources.dll	4.0.30319.34209	37,440	12-Jun-2014	00:24
system.security.resources.dll	4.0.30319.34209	41,008	12-Jun-2014	00:22
system.security.resources.dll	4.0.30319.34209	36,928	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	36,928	05-Jun-2014	01:10
system.security.resources.dll	4.0.30319.34209	35,896	06-Jun-2014	04:25
system.security.resources.dll	4.0.30319.34209	35,888	06-Jun-2014	04:25
system.security.dll	4.0.30319.34248	289,928	13-Feb-2015	23:16

Applies toThis article applies to the following:

Microsoft .NET Framework 4.5.2 when used with:
- Windows Server 2012
- Windows 8
- Windows RT
Microsoft .NET Framework 4.5.1 when used with:
- Windows Server 2012
- Windows 8
- Windows RT
Microsoft .NET Framework 4.5 when used with:
- Windows Server 2012
- Windows 8
- Windows RT

MS15-048: Description of the security update for the .NET Framework 4.5, 4.5.1, and 4.5.2 on Windows 8, Windows RT, and Windows Server 2012: May 12, 2015

Introduction

Summary

How to obtain help and support for this security update

More information about this security update

Download information

Command-line switches for this update

Restart information

Update replacement information

Update removal information

Need more help?

Want more options?

Was this information helpful?

Thank you for your feedback!

Introduction

Summary

How to obtain help and support for this security update

More information about this security update

Download information

Command-line switches for this update

Restart information

Update replacement information

Update removal information

File information

Need more help?

Want more options?

Was this information helpful?

Thank you for your feedback!