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:

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

4.0.30319.36213

37,096

06-Dec-2014

01:28

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.36213

35,048

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.36213

41,192

06-Dec-2014

01:27

system.security.resources.dll

4.0.30319.36213

36,064

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:29

system.security.resources.dll

4.0.30319.36213

36,072

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.36213

36,584

06-Dec-2014

01:28

system.security.resources.dll

4.0.30319.36213

36,576

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.36213

37,096

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.36213

36,072

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.36213

34,536

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:29

system.security.resources.dll

4.0.30319.36213

36,072

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:29

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:29

system.security.resources.dll

4.0.30319.36213

39,144

06-Dec-2014

01:29

system.security.resources.dll

4.0.30319.36213

35,048

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.36213

35,048

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.36213

34,024

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.36213

34,024

06-Dec-2014

01:31

system.security.dll

4.0.30319.34248

289,928

13-Feb-2015

23:08

LDR service branch

File name

File version

File size

Date

Time

system.security.resources.dll

4.0.30319.36213

37,096

16-Dec-2014

17:57

system.security.resources.dll

4.0.30319.36213

35,560

16-Dec-2014

23:10

system.security.resources.dll

4.0.30319.36213

35,048

16-Dec-2014

23:10

system.security.resources.dll

4.0.30319.36213

35,560

16-Dec-2014

23:10

system.security.resources.dll

4.0.30319.36213

41,192

16-Dec-2014

23:09

system.security.resources.dll

4.0.30319.36213

36,064

16-Dec-2014

23:09

system.security.resources.dll

4.0.30319.36213

35,560

16-Dec-2014

17:58

system.security.resources.dll

4.0.30319.36213

36,072

16-Dec-2014

17:59

system.security.resources.dll

4.0.30319.36213

36,584

16-Dec-2014

17:57

system.security.resources.dll

4.0.30319.36213

36,576

16-Dec-2014

17:59

system.security.resources.dll

4.0.30319.36213

35,560

16-Dec-2014

17:59

system.security.resources.dll

4.0.30319.36213

37,096

16-Dec-2014

17:58

system.security.resources.dll

4.0.30319.36213

36,072

16-Dec-2014

18:00

system.security.resources.dll

4.0.30319.36213

34,536

16-Dec-2014

17:58

system.security.resources.dll

4.0.30319.36213

35,560

16-Dec-2014

17:59

system.security.resources.dll

4.0.30319.36213

36,072

18-Dec-2014

23:13

system.security.resources.dll

4.0.30319.36213

35,560

18-Dec-2014

23:13

system.security.resources.dll

4.0.30319.36213

35,560

18-Dec-2014

23:13

system.security.resources.dll

4.0.30319.36213

39,144

18-Dec-2014

23:13

system.security.resources.dll

4.0.30319.36213

35,048

18-Dec-2014

23:13

system.security.resources.dll

4.0.30319.36213

35,048

18-Dec-2014

23:13

system.security.resources.dll

4.0.30319.36213

34,024

16-Dec-2014

23:10

system.security.resources.dll

4.0.30319.36213

34,024

16-Dec-2014

23:11

system.security.dll

4.0.30319.36283

289,912

13-Feb-2015

23:18

For all supported x64-based versions of systemsGDR service branch

File name

File version

File size

Date

Time

system.security.resources.dll

4.0.30319.36213

37,096

06-Dec-2014

01:28

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.36213

35,048

06-Dec-2014

01:29

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.36213

41,192

06-Dec-2014

01:27

system.security.resources.dll

4.0.30319.36213

36,072

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:28

system.security.resources.dll

4.0.30319.36213

36,072

06-Dec-2014

01:32

system.security.resources.dll

4.0.30319.36213

36,584

06-Dec-2014

01:28

system.security.resources.dll

4.0.30319.36213

36,584

06-Dec-2014

01:32

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:32

system.security.resources.dll

4.0.30319.36213

37,096

06-Dec-2014

01:32

system.security.resources.dll

4.0.30319.36213

36,072

06-Dec-2014

01:32

system.security.resources.dll

4.0.30319.36213

34,536

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:29

system.security.resources.dll

4.0.30319.36213

36,072

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.36213

39,144

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.36213

35,048

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.36213

35,048

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.36213

34,024

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.36213

34,024

06-Dec-2014

01:31

system.security.dll

4.0.30319.34248

289,928

13-Feb-2015

23:08

system.security.resources.dll

4.0.30319.36213

37,096

06-Dec-2014

01:28

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.36213

35,048

06-Dec-2014

01:29

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.36213

41,192

06-Dec-2014

01:27

system.security.resources.dll

4.0.30319.36213

36,072

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:28

system.security.resources.dll

4.0.30319.36213

36,072

06-Dec-2014

01:32

system.security.resources.dll

4.0.30319.36213

36,584

06-Dec-2014

01:28

system.security.resources.dll

4.0.30319.36213

36,584

06-Dec-2014

01:32

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:32

system.security.resources.dll

4.0.30319.36213

37,096

06-Dec-2014

01:32

system.security.resources.dll

4.0.30319.36213

36,072

06-Dec-2014

01:32

system.security.resources.dll

4.0.30319.36213

34,536

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:29

system.security.resources.dll

4.0.30319.36213

36,072

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.36213

35,560

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.36213

39,144

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.36213

35,048

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.36213

35,048

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.36213

34,024

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.36213

34,024

06-Dec-2014

01:31

system.security.dll

4.0.30319.34248

289,928

13-Feb-2015

23:08

LDR service branch

File name

File version

File size

Date

Time

system.security.resources.dll

4.0.30319.36213

37,096

16-Jan-2015

23:08

system.security.resources.dll

4.0.30319.36213

35,560

31-Dec-2014

00:33

system.security.resources.dll

4.0.30319.36213

35,048

31-Dec-2014

00:30

system.security.resources.dll

4.0.30319.36213

35,560

31-Dec-2014

00:30

system.security.resources.dll

4.0.30319.36213

41,192

31-Dec-2014

00:29

system.security.resources.dll

4.0.30319.36213

36,072

31-Dec-2014

00:30

system.security.resources.dll

4.0.30319.36213

35,560

16-Jan-2015

23:08

system.security.resources.dll

4.0.30319.36213

36,072

16-Jan-2015

23:09

system.security.resources.dll

4.0.30319.36213

36,584

16-Jan-2015

23:08

system.security.resources.dll

4.0.30319.36213

36,584

16-Jan-2015

23:09

system.security.resources.dll

4.0.30319.36213

35,560

16-Jan-2015

23:09

system.security.resources.dll

4.0.30319.36213

37,096

16-Jan-2015

23:09

system.security.resources.dll

4.0.30319.36213

36,072

16-Jan-2015

23:09

system.security.resources.dll

4.0.30319.36213

34,536

16-Jan-2015

23:10

system.security.resources.dll

4.0.30319.36213

35,560

16-Jan-2015

23:09

system.security.resources.dll

4.0.30319.36213

36,072

20-Jan-2015

23:11

system.security.resources.dll

4.0.30319.36213

35,560

20-Jan-2015

23:11

system.security.resources.dll

4.0.30319.36213

35,560

20-Jan-2015

23:12

system.security.resources.dll

4.0.30319.36213

39,144

20-Jan-2015

23:12

system.security.resources.dll

4.0.30319.36213

35,048

20-Jan-2015

23:12

system.security.resources.dll

4.0.30319.36213

35,048

20-Jan-2015

23:12

system.security.resources.dll

4.0.30319.36213

34,024

31-Dec-2014

00:30

system.security.resources.dll

4.0.30319.36213

34,024

31-Dec-2014

00:31

system.security.dll

4.0.30319.36283

289,912

13-Feb-2015

23:20

system.security.resources.dll

4.0.30319.36213

37,096

16-Jan-2015

23:08

system.security.resources.dll

4.0.30319.36213

35,560

31-Dec-2014

00:33

system.security.resources.dll

4.0.30319.36213

35,048

31-Dec-2014

00:30

system.security.resources.dll

4.0.30319.36213

35,560

31-Dec-2014

00:30

system.security.resources.dll

4.0.30319.36213

41,192

31-Dec-2014

00:29

system.security.resources.dll

4.0.30319.36213

36,072

31-Dec-2014

00:30

system.security.resources.dll

4.0.30319.36213

35,560

16-Jan-2015

23:08

system.security.resources.dll

4.0.30319.36213

36,072

16-Jan-2015

23:09

system.security.resources.dll

4.0.30319.36213

36,584

16-Jan-2015

23:08

system.security.resources.dll

4.0.30319.36213

36,584

16-Jan-2015

23:09

system.security.resources.dll

4.0.30319.36213

35,560

16-Jan-2015

23:09

system.security.resources.dll

4.0.30319.36213

37,096

16-Jan-2015

23:09

system.security.resources.dll

4.0.30319.36213

36,072

16-Jan-2015

23:09

system.security.resources.dll

4.0.30319.36213

34,536

16-Jan-2015

23:10

system.security.resources.dll

4.0.30319.36213

35,560

16-Jan-2015

23:09

system.security.resources.dll

4.0.30319.36213

36,072

20-Jan-2015

23:11

system.security.resources.dll

4.0.30319.36213

35,560

20-Jan-2015

23:11

system.security.resources.dll

4.0.30319.36213

35,560

20-Jan-2015

23:12

system.security.resources.dll

4.0.30319.36213

39,144

20-Jan-2015

23:12

system.security.resources.dll

4.0.30319.36213

35,048

20-Jan-2015

23:12

system.security.resources.dll

4.0.30319.36213

35,048

20-Jan-2015

23:12

system.security.resources.dll

4.0.30319.36213

34,024

31-Dec-2014

00:30

system.security.resources.dll

4.0.30319.36213

34,024

31-Dec-2014

00:31

system.security.dll

4.0.30319.36283

289,912

13-Feb-2015

23:18

For all supported ARM-based versions of systems

File name

File version

File size

Date

Time

system.security.resources.dll

4.0.30319.33440

38,880

06-Dec-2014

01:28

system.security.resources.dll

4.0.30319.33440

37,352

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.33440

36,832

06-Dec-2014

01:28

system.security.resources.dll

4.0.30319.33440

37,344

06-Dec-2014

01:29

system.security.resources.dll

4.0.30319.33440

42,984

06-Dec-2014

01:27

system.security.resources.dll

4.0.30319.33440

37,864

06-Dec-2014

01:29

system.security.resources.dll

4.0.30319.33440

37,344

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.33440

37,856

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.33440

38,376

06-Dec-2014

01:28

system.security.resources.dll

4.0.30319.33440

38,368

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.33440

37,352

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.33440

38,880

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.33440

37,864

06-Dec-2014

01:31

system.security.resources.dll

4.0.30319.33440

36,328

06-Dec-2014

01:29

system.security.resources.dll

4.0.30319.33440

37,344

06-Dec-2014

01:29

system.security.resources.dll

4.0.30319.33440

37,856

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.33440

37,352

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.33440

37,344

06-Dec-2014

01:29

system.security.resources.dll

4.0.30319.33440

40,936

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.33440

36,840

06-Dec-2014

01:30

system.security.resources.dll

4.0.30319.33440

36,832

06-Dec-2014

01:29

system.security.resources.dll

4.0.30319.33440

35,808

06-Dec-2014

01:29

system.security.resources.dll

4.0.30319.33440

35,816

06-Dec-2014

01:30

system.security.dll

4.0.30319.34248

289,928

13-Feb-2015

23:09



Applies toThis article applies to the following:

  • Microsoft .NET Framework 4.5.2 when used with:

    • Windows Server 2012 R2

    • Windows 8.1

    • Windows RT 8.1

  • Microsoft .NET Framework 4.5.1 when used with:

    • Windows Server 2012 R2

    • Windows 8.1

    • Windows RT 8.1

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