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Introduction

This update resolves vulnerabilities in the Microsoft .NET Framework. These vulnerabilities could 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:

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 2863240 and 2804579.

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

2.0.50727.5420

28,672

02-Feb-2015

21:35

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:36

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:34

system.security.resources.dll

2.0.50727.5420

28,672

21-Jan-2015

06:44

system.security.resources.dll

2.0.50727.5420

32,768

02-Feb-2015

21:34

system.security.resources.dll

2.0.50727.5420

28,672

21-Jan-2015

06:45

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:33

system.security.resources.dll

2.0.50727.5420

28,672

21-Jan-2015

06:44

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:34

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:37

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:37

system.security.resources.dll

2.0.50727.5420

28,672

21-Jan-2015

06:44

system.security.resources.dll

2.0.50727.5420

28,672

21-Jan-2015

06:44

system.security.resources.dll

2.0.50727.5420

16,896

02-Feb-2015

21:34

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:37

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:36

system.security.resources.dll

2.0.50727.5420

28,672

21-Jan-2015

06:44

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:37

system.security.resources.dll

2.0.50727.5420

32,768

02-Feb-2015

21:36

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:38

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:36

system.security.resources.dll

2.0.50727.5420

16,384

21-Jan-2015

06:44

system.security.resources.dll

2.0.50727.5420

16,384

21-Jan-2015

06:43

system.security.dll

2.0.50727.5490

262,144

13-Feb-2015

23:28

LDR service branch

File name

File version

File size

Date

Time

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:29

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:46

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:31

system.security.resources.dll

2.0.50727.5420

28,672

21-Jan-2015

06:28

system.security.resources.dll

2.0.50727.5420

32,768

09-Jul-2013

06:29

system.security.resources.dll

2.0.50727.5420

28,672

21-Jan-2015

06:29

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:36

system.security.resources.dll

2.0.50727.5420

28,672

21-Jan-2015

06:29

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:36

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:33

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:47

system.security.resources.dll

2.0.50727.5420

28,672

21-Jan-2015

06:28

system.security.resources.dll

2.0.50727.5420

28,672

21-Jan-2015

06:29

system.security.resources.dll

2.0.50727.5420

16,896

09-Jul-2013

06:35

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:47

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:34

system.security.resources.dll

2.0.50727.5420

28,672

21-Jan-2015

06:29

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:47

system.security.resources.dll

2.0.50727.5420

32,768

09-Jul-2013

06:46

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:46

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:47

system.security.resources.dll

2.0.50727.5420

16,384

21-Jan-2015

06:29

system.security.resources.dll

2.0.50727.5420

16,384

21-Jan-2015

06:28

system.security.dll

2.0.50727.8652

262,144

13-Feb-2015

23:35

For all supported x64-based versions of systemsGDR service branch

File name

File version

File size

Date

Time

system.security.dll

2.0.50727.5490

262,144

13-Feb-2015

23:33

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:35

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:35

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:33

system.security.resources.dll

2.0.50727.5420

28,672

21-Jan-2015

06:45

system.security.resources.dll

2.0.50727.5420

32,768

02-Feb-2015

21:33

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:35

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:33

system.security.resources.dll

2.0.50727.5420

28,672

21-Jan-2015

06:44

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:33

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:37

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:36

system.security.resources.dll

2.0.50727.5420

28,672

21-Jan-2015

06:44

system.security.resources.dll

2.0.50727.5420

28,672

21-Jan-2015

06:44

system.security.resources.dll

2.0.50727.5420

16,896

02-Feb-2015

21:33

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:35

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:36

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:35

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:37

system.security.resources.dll

2.0.50727.5420

32,768

02-Feb-2015

21:35

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:38

system.security.resources.dll

2.0.50727.5420

28,672

02-Feb-2015

21:36

system.security.resources.dll

2.0.50727.5420

16,384

21-Jan-2015

06:44

system.security.resources.dll

2.0.50727.5420

16,384

21-Jan-2015

06:44

system.security.dll

2.0.50727.5490

262,144

13-Feb-2015

23:28

LDR service branch

File name

File version

File size

Date

Time

system.security.dll

2.0.50727.8652

262,144

13-Feb-2015

23:35

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:36

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:33

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:31

system.security.resources.dll

2.0.50727.5420

28,672

21-Jan-2015

06:30

system.security.resources.dll

2.0.50727.5420

32,768

09-Jul-2013

06:38

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:44

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:36

system.security.resources.dll

2.0.50727.5420

28,672

21-Jan-2015

06:30

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:31

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:42

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:42

system.security.resources.dll

2.0.50727.5420

28,672

21-Jan-2015

06:31

system.security.resources.dll

2.0.50727.5420

28,672

21-Jan-2015

06:31

system.security.resources.dll

2.0.50727.5420

16,896

09-Jul-2013

06:28

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:42

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:43

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:42

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:43

system.security.resources.dll

2.0.50727.5420

32,768

09-Jul-2013

06:44

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:43

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:33

system.security.resources.dll

2.0.50727.5420

16,384

21-Jan-2015

06:31

system.security.resources.dll

2.0.50727.5420

16,384

21-Jan-2015

06:30

system.security.dll

2.0.50727.8652

262,144

13-Feb-2015

23:35

For all supported IA-64-based versions of systemsGDR service branch

File name

File version

File size

Date

Time

system.security.dll

2.0.50727.5490

262,144

13-Feb-2015

23:31

system.security.resources.dll

2.0.50727.5420

28,672

08-Jul-2013

12:47

system.security.resources.dll

2.0.50727.5420

28,672

08-Jul-2013

12:47

system.security.resources.dll

2.0.50727.5420

28,672

08-Jul-2013

12:52

system.security.resources.dll

2.0.50727.5420

28,672

08-Jul-2013

12:47

system.security.resources.dll

2.0.50727.5420

16,384

08-Jul-2013

12:52

system.security.resources.dll

2.0.50727.5420

16,384

08-Jul-2013

12:50

system.security.dll

2.0.50727.5490

262,144

13-Feb-2015

23:28

LDR service branch

File name

File version

File size

Date

Time

system.security.dll

2.0.50727.8652

262,144

13-Feb-2015

23:31

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:30

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:30

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:31

system.security.resources.dll

2.0.50727.5420

28,672

09-Jul-2013

06:34

system.security.resources.dll

2.0.50727.5420

16,384

09-Jul-2013

06:28

system.security.resources.dll

2.0.50727.5420

16,384

09-Jul-2013

06:34

system.security.dll

2.0.50727.8652

262,144

13-Feb-2015

23:35



Applies toThis article applies to the following:

  • Microsoft .NET Framework 3.5.1 when used with:

    • Windows Server 2008 R2 Service Pack 1

    • Windows 7 Service Pack 1

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