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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

4.0.30319.34209

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

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