Description of the security update for the .NET Framework 3.5 on Windows 8 and Windows Server 2012: December 10, 2013

September 9, 2014 This security update has been released on Windows Update.


View products that this article applies to.

Introduction

This security update resolves a vulnerability in the Microsoft .NET Framework 3.5 that could allow elevation of privilege on a server system if a user views a specially crafted webpage by using a web browser that can run ASP.NET applications.

This security update applies to Windows 8 and Windows Server 2012.

Summary

Microsoft has released security advisory 2905247 for the Microsoft .NET Framework.

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.

Installation information

Before you apply this update, make sure that you resolve any view state message authentication code (MAC) errors that you may have. For information about how to do this, see Resolving view state message authentication code (MAC) errors in the Microsoft Knowledge Base.

Command-line switches for this update

See 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.web.mobile.resources.dll

2.0.50727.4927

40,960

06-Jul-2012

20:09

system.web.mobile.resources.dll

2.0.50727.4927

36,864

06-Jul-2012

20:09

system.web.mobile.resources.dll

2.0.50727.6400

81,920

13-Sep-2012

22:03

system.web.mobile.resources.dll

2.0.50727.4927

49,152

06-Jul-2012

20:09

system.web.mobile.resources.dll

2.0.50727.6400

77,824

13-Sep-2012

22:03

system.web.mobile.resources.dll

2.0.50727.4927

36,864

06-Jul-2012

20:09

system.web.mobile.resources.dll

2.0.50727.6400

81,920

13-Sep-2012

22:03

system.web.mobile.resources.dll

2.0.50727.4927

40,960

06-Jul-2012

20:08

system.web.mobile.resources.dll

2.0.50727.6400

77,824

13-Sep-2012

22:03

system.web.mobile.resources.dll

2.0.50727.6400

86,016

13-Sep-2012

22:03

system.web.mobile.resources.dll

2.0.50727.6400

81,920

13-Sep-2012

22:03

system.web.mobile.resources.dll

2.0.50727.4927

36,864

06-Jul-2012

20:08

system.web.mobile.resources.dll

2.0.50727.6400

40,960

13-Sep-2012

22:03

system.web.mobile.resources.dll

2.0.50727.4927

40,960

06-Jul-2012

19:37

system.web.mobile.resources.dll

2.0.50727.4927

40,960

06-Jul-2012

19:37

system.web.mobile.resources.dll

2.0.50727.4927

40,960

06-Jul-2012

19:37

system.web.mobile.resources.dll

2.0.50727.4927

45,056

06-Jul-2012

19:37

system.web.mobile.resources.dll

2.0.50727.4927

36,864

06-Jul-2012

19:48

system.web.mobile.resources.dll

2.0.50727.4927

36,864

06-Jul-2012

19:47

system.web.mobile.resources.dll

2.0.50727.6400

73,728

13-Sep-2012

22:03

system.web.mobile.resources.dll

2.0.50727.6400

73,728

13-Sep-2012

22:03

system.web.mobile.dll

2.0.50727.6412

835,584

27-Oct-2013

22:08

system.web.regularexpressions.dll

2.0.50727.6412

98,304

27-Oct-2013

22:08

system.web.resources.dll

2.0.50727.4927

684,032

06-Jul-2012

19:47

system.web.resources.dll

2.0.50727.4927

606,208

06-Jul-2012

20:09

system.web.resources.dll

2.0.50727.4927

593,920

06-Jul-2012

20:09

system.web.resources.dll

2.0.50727.6400

622,592

13-Sep-2012

22:03

system.web.resources.dll

2.0.50727.4927

815,104

06-Jul-2012

20:09

system.web.resources.dll

2.0.50727.6400

614,400

13-Sep-2012

22:03

system.web.resources.dll

2.0.50727.4927

585,728

06-Jul-2012

20:09

system.web.resources.dll

2.0.50727.6400

618,496

13-Sep-2012

22:03

system.web.resources.dll

2.0.50727.4927

647,168

06-Jul-2012

20:07

system.web.resources.dll

2.0.50727.4927

630,784

06-Jul-2012

20:08

system.web.resources.dll

2.0.50727.6400

610,304

13-Sep-2012

22:03

system.web.resources.dll

2.0.50727.6400

671,744

13-Sep-2012

22:03

system.web.resources.dll

2.0.50727.6400

622,592

13-Sep-2012

22:03

system.web.resources.dll

2.0.50727.4927

577,536

06-Jul-2012

20:08

system.web.resources.dll

2.0.50727.6400

626,688

13-Sep-2012

22:03

system.web.resources.dll

2.0.50727.4927

606,208

06-Jul-2012

19:37

system.web.resources.dll

2.0.50727.4927

602,112

06-Jul-2012

19:37

system.web.resources.dll

2.0.50727.4927

610,304

06-Jul-2012

19:37

system.web.resources.dll

2.0.50727.4927

753,664

06-Jul-2012

19:37

system.web.resources.dll

2.0.50727.4927

589,824

06-Jul-2012

19:48

system.web.resources.dll

2.0.50727.4927

598,016

06-Jul-2012

19:47

system.web.resources.dll

2.0.50727.6400

552,960

13-Sep-2012

22:03

system.web.resources.dll

2.0.50727.6400

557,056

13-Sep-2012

22:03

aspnet_wp.exe

2.0.50727.6412

31,384

27-Oct-2013

22:08

webengine.dll

2.0.50727.6412

437,400

27-Oct-2013

22:08

system.web.dll

2.0.50727.6412

5,287,936

27-Oct-2013

22:08

LDR service branch

File name

File version

File size

Date

Time

system.web.mobile.resources.dll

2.0.50727.4927

40,960

06-Jul-2012

19:59

system.web.mobile.resources.dll

2.0.50727.4927

36,864

06-Jul-2012

19:59

system.web.mobile.resources.dll

2.0.50727.6400

81,920

09-Oct-2012

02:40

system.web.mobile.resources.dll

2.0.50727.4927

49,152

06-Jul-2012

19:58

system.web.mobile.resources.dll

2.0.50727.6400

77,824

09-Oct-2012

02:40

system.web.mobile.resources.dll

2.0.50727.4927

36,864

06-Jul-2012

19:59

system.web.mobile.resources.dll

2.0.50727.6400

81,920

09-Oct-2012

02:40

system.web.mobile.resources.dll

2.0.50727.4927

40,960

06-Jul-2012

19:59

system.web.mobile.resources.dll

2.0.50727.6400

77,824

13-Sep-2012

22:04

system.web.mobile.resources.dll

2.0.50727.6400

86,016

09-Oct-2012

02:40

system.web.mobile.resources.dll

2.0.50727.6400

81,920

13-Sep-2012

22:04

system.web.mobile.resources.dll

2.0.50727.4927

36,864

06-Jul-2012

19:59

system.web.mobile.resources.dll

2.0.50727.6400

40,960

13-Sep-2012

22:04

system.web.mobile.resources.dll

2.0.50727.4927

40,960

06-Jul-2012

20:02

system.web.mobile.resources.dll

2.0.50727.4927

40,960

06-Jul-2012

20:01

system.web.mobile.resources.dll

2.0.50727.4927

40,960

06-Jul-2012

20:03

system.web.mobile.resources.dll

2.0.50727.4927

45,056

06-Jul-2012

20:02

system.web.mobile.resources.dll

2.0.50727.4927

36,864

06-Jul-2012

20:06

system.web.mobile.resources.dll

2.0.50727.4927

36,864

06-Jul-2012

20:05

system.web.mobile.resources.dll

2.0.50727.6400

73,728

13-Sep-2012

22:04

system.web.mobile.resources.dll

2.0.50727.6400

73,728

13-Sep-2012

22:04

system.web.mobile.dll

2.0.50727.7041

835,584

27-Oct-2013

22:09

system.web.regularexpressions.dll

2.0.50727.7041

98,304

27-Oct-2013

22:09

system.web.resources.dll

2.0.50727.4927

684,032

06-Jul-2012

20:00

system.web.resources.dll

2.0.50727.4927

606,208

06-Jul-2012

19:59

system.web.resources.dll

2.0.50727.4927

593,920

06-Jul-2012

19:59

system.web.resources.dll

2.0.50727.6400

622,592

09-Oct-2012

02:40

system.web.resources.dll

2.0.50727.4927

815,104

06-Jul-2012

19:58

system.web.resources.dll

2.0.50727.6400

614,400

09-Oct-2012

02:40

system.web.resources.dll

2.0.50727.4927

585,728

06-Jul-2012

19:59

system.web.resources.dll

2.0.50727.6400

618,496

09-Oct-2012

02:40

system.web.resources.dll

2.0.50727.4927

647,168

06-Jul-2012

19:57

system.web.resources.dll

2.0.50727.4927

630,784

06-Jul-2012

19:59

system.web.resources.dll

2.0.50727.6400

610,304

13-Sep-2012

22:04

system.web.resources.dll

2.0.50727.6400

671,744

09-Oct-2012

02:40

system.web.resources.dll

2.0.50727.6400

622,592

13-Sep-2012

22:04

system.web.resources.dll

2.0.50727.4927

577,536

06-Jul-2012

19:59

system.web.resources.dll

2.0.50727.6400

626,688

13-Sep-2012

22:04

system.web.resources.dll

2.0.50727.4927

606,208

06-Jul-2012

20:02

system.web.resources.dll

2.0.50727.4927

602,112

06-Jul-2012

20:01

system.web.resources.dll

2.0.50727.4927

610,304

06-Jul-2012

20:03

system.web.resources.dll

2.0.50727.4927

753,664

06-Jul-2012

20:02

system.web.resources.dll

2.0.50727.4927

589,824

06-Jul-2012

20:06

system.web.resources.dll

2.0.50727.4927

598,016

06-Jul-2012

20:05

system.web.resources.dll

2.0.50727.6400

552,960

13-Sep-2012

22:04

system.web.resources.dll

2.0.50727.6400

557,056

13-Sep-2012

22:04

aspnet_wp.exe

2.0.50727.7041

31,384

27-Oct-2013

22:09

webengine.dll

2.0.50727.7041

437,400

27-Oct-2013

22:09

system.web.dll

2.0.50727.7041

5,287,936

27-Oct-2013

22:09

For all supported x64-based versions of systemsGDR service branch

File name

File version

File size

Date

Time

aspnet_wp.exe

2.0.50727.6412

43,160

27-Oct-2013

22:09

system.web.mobile.dll

2.0.50727.6412

835,584

27-Oct-2013

22:09

system.web.regularexpressions.dll

2.0.50727.6412

98,304

27-Oct-2013

22:09

webengine.dll

2.0.50727.6412

746,648

27-Oct-2013

22:09

system.web.dll

2.0.50727.6412

5,296,128

27-Oct-2013

22:09

system.web.mobile.resources.dll

2.0.50727.4927

40,960

06-Jul-2012

19:45

system.web.mobile.resources.dll

2.0.50727.4927

36,864

06-Jul-2012

19:44

system.web.mobile.resources.dll

2.0.50727.6400

81,920

28-Sep-2012

21:41

system.web.mobile.resources.dll

2.0.50727.4927

49,152

06-Jul-2012

19:42

system.web.mobile.resources.dll

2.0.50727.6400

77,824

28-Sep-2012

21:41

system.web.mobile.resources.dll

2.0.50727.4927

36,864

06-Jul-2012

19:44

system.web.mobile.resources.dll

2.0.50727.6400

81,920

28-Sep-2012

21:41

system.web.mobile.resources.dll

2.0.50727.4927

40,960

06-Jul-2012

19:46

system.web.mobile.resources.dll

2.0.50727.6400

77,824

13-Sep-2012

22:04

system.web.mobile.resources.dll

2.0.50727.6400

86,016

28-Sep-2012

21:41

system.web.mobile.resources.dll

2.0.50727.6400

81,920

13-Sep-2012

22:04

system.web.mobile.resources.dll

2.0.50727.4927

36,864

06-Jul-2012

19:46

system.web.mobile.resources.dll

2.0.50727.6400

40,960

13-Sep-2012

22:03

system.web.mobile.resources.dll

2.0.50727.4927

40,960

06-Jul-2012

19:47

system.web.mobile.resources.dll

2.0.50727.4927

40,960

06-Jul-2012

19:46

system.web.mobile.resources.dll

2.0.50727.4927

40,960

06-Jul-2012

19:47

system.web.mobile.resources.dll

2.0.50727.4927

45,056

06-Jul-2012

19:46

system.web.mobile.resources.dll

2.0.50727.4927

36,864

07-Oct-2013

22:56

system.web.mobile.resources.dll

2.0.50727.4927

36,864

07-Oct-2013

22:56

system.web.mobile.resources.dll

2.0.50727.6400

73,728

07-Oct-2013

22:56

system.web.mobile.resources.dll

2.0.50727.6400

73,728

07-Oct-2013

22:56

system.web.mobile.dll

2.0.50727.6412

835,584

27-Oct-2013

22:08

system.web.regularexpressions.dll

2.0.50727.6412

98,304

27-Oct-2013

22:08

system.web.resources.dll

2.0.50727.4927

684,032

06-Jul-2012

20:22

system.web.resources.dll

2.0.50727.4927

606,208

06-Jul-2012

19:45

system.web.resources.dll

2.0.50727.4927

593,920

06-Jul-2012

19:44

system.web.resources.dll

2.0.50727.6400

622,592

28-Sep-2012

21:41

system.web.resources.dll

2.0.50727.4927

815,104

06-Jul-2012

19:42

system.web.resources.dll

2.0.50727.6400

614,400

28-Sep-2012

21:41

system.web.resources.dll

2.0.50727.4927

585,728

06-Jul-2012

19:44

system.web.resources.dll

2.0.50727.6400

618,496

28-Sep-2012

21:41

system.web.resources.dll

2.0.50727.4927

647,168

06-Jul-2012

19:41

system.web.resources.dll

2.0.50727.4927

630,784

06-Jul-2012

19:46

system.web.resources.dll

2.0.50727.6400

610,304

13-Sep-2012

22:04

system.web.resources.dll

2.0.50727.6400

671,744

28-Sep-2012

21:41

system.web.resources.dll

2.0.50727.6400

622,592

13-Sep-2012

22:04

system.web.resources.dll

2.0.50727.4927

577,536

06-Jul-2012

19:46

system.web.resources.dll

2.0.50727.6400

626,688

13-Sep-2012

22:03

system.web.resources.dll

2.0.50727.4927

606,208

06-Jul-2012

19:47

system.web.resources.dll

2.0.50727.4927

602,112

06-Jul-2012

19:46

system.web.resources.dll

2.0.50727.4927

610,304

06-Jul-2012

19:47

system.web.resources.dll

2.0.50727.4927

753,664

06-Jul-2012

19:46

system.web.resources.dll

2.0.50727.4927

589,824

07-Oct-2013

22:56

system.web.resources.dll

2.0.50727.4927

598,016

07-Oct-2013

22:56

system.web.resources.dll

2.0.50727.6400

552,960

07-Oct-2013

22:56

system.web.resources.dll

2.0.50727.6400

557,056

07-Oct-2013

22:56

aspnet_wp.exe

2.0.50727.6412

31,384

27-Oct-2013

22:08

webengine.dll

2.0.50727.6412

437,400

27-Oct-2013

22:08

system.web.dll

2.0.50727.6412

5,287,936

27-Oct-2013

22:08

LDR service branch

File name

File version

File size

Date

Time

aspnet_wp.exe

2.0.50727.7041

43,160

27-Oct-2013

22:09

system.web.mobile.dll

2.0.50727.7041

835,584

27-Oct-2013

22:09

system.web.regularexpressions.dll

2.0.50727.7041

98,304

27-Oct-2013

22:09

webengine.dll

2.0.50727.7041

746,648

27-Oct-2013

22:09

system.web.dll

2.0.50727.7041

5,296,128

27-Oct-2013

22:09

system.web.mobile.resources.dll

2.0.50727.4927

40,960

06-Jul-2012

20:04

system.web.mobile.resources.dll

2.0.50727.4927

36,864

06-Jul-2012

20:04

system.web.mobile.resources.dll

2.0.50727.6400

81,920

22-Jul-2013

22:20

system.web.mobile.resources.dll

2.0.50727.4927

49,152

06-Jul-2012

20:03

system.web.mobile.resources.dll

2.0.50727.6400

77,824

22-Jul-2013

22:17

system.web.mobile.resources.dll

2.0.50727.4927

36,864

06-Jul-2012

20:04

system.web.mobile.resources.dll

2.0.50727.6400

81,920

22-Jul-2013

22:17

system.web.mobile.resources.dll

2.0.50727.4927

40,960

06-Jul-2012

20:07

system.web.mobile.resources.dll

2.0.50727.6400

77,824

13-Sep-2012

22:04

system.web.mobile.resources.dll

2.0.50727.6400

86,016

22-Jul-2013

22:16

system.web.mobile.resources.dll

2.0.50727.6400

81,920

13-Sep-2012

22:04

system.web.mobile.resources.dll

2.0.50727.4927

36,864

06-Jul-2012

20:07

system.web.mobile.resources.dll

2.0.50727.6400

40,960

04-Oct-2012

20:58

system.web.mobile.resources.dll

2.0.50727.4927

40,960

04-Oct-2012

20:58

system.web.mobile.resources.dll

2.0.50727.4927

40,960

04-Oct-2012

20:58

system.web.mobile.resources.dll

2.0.50727.4927

40,960

04-Oct-2012

20:58

system.web.mobile.resources.dll

2.0.50727.4927

45,056

04-Oct-2012

20:58

system.web.mobile.resources.dll

2.0.50727.4927

36,864

06-Jul-2012

20:13

system.web.mobile.resources.dll

2.0.50727.4927

36,864

06-Jul-2012

20:12

system.web.mobile.resources.dll

2.0.50727.6400

73,728

13-Sep-2012

22:04

system.web.mobile.resources.dll

2.0.50727.6400

73,728

13-Sep-2012

22:04

system.web.mobile.dll

2.0.50727.7041

835,584

27-Oct-2013

22:09

system.web.regularexpressions.dll

2.0.50727.7041

98,304

27-Oct-2013

22:09

system.web.resources.dll

2.0.50727.4927

684,032

22-Jul-2013

22:16

system.web.resources.dll

2.0.50727.4927

606,208

06-Jul-2012

20:04

system.web.resources.dll

2.0.50727.4927

593,920

06-Jul-2012

20:04

system.web.resources.dll

2.0.50727.6400

622,592

22-Jul-2013

22:20

system.web.resources.dll

2.0.50727.4927

815,104

06-Jul-2012

20:03

system.web.resources.dll

2.0.50727.6400

614,400

22-Jul-2013

22:17

system.web.resources.dll

2.0.50727.4927

585,728

06-Jul-2012

20:04

system.web.resources.dll

2.0.50727.6400

618,496

22-Jul-2013

22:17

system.web.resources.dll

2.0.50727.4927

647,168

06-Jul-2012

20:04

system.web.resources.dll

2.0.50727.4927

630,784

06-Jul-2012

20:07

system.web.resources.dll

2.0.50727.6400

610,304

13-Sep-2012

22:04

system.web.resources.dll

2.0.50727.6400

671,744

22-Jul-2013

22:16

system.web.resources.dll

2.0.50727.6400

622,592

13-Sep-2012

22:04

system.web.resources.dll

2.0.50727.4927

577,536

06-Jul-2012

20:07

system.web.resources.dll

2.0.50727.6400

626,688

04-Oct-2012

20:58

system.web.resources.dll

2.0.50727.4927

606,208

04-Oct-2012

20:58

system.web.resources.dll

2.0.50727.4927

602,112

04-Oct-2012

20:58

system.web.resources.dll

2.0.50727.4927

610,304

04-Oct-2012

20:58

system.web.resources.dll

2.0.50727.4927

753,664

04-Oct-2012

20:58

system.web.resources.dll

2.0.50727.4927

589,824

06-Jul-2012

20:13

system.web.resources.dll

2.0.50727.4927

598,016

06-Jul-2012

20:12

system.web.resources.dll

2.0.50727.6400

552,960

13-Sep-2012

22:04

system.web.resources.dll

2.0.50727.6400

557,056

13-Sep-2012

22:04

aspnet_wp.exe

2.0.50727.7041

31,384

27-Oct-2013

22:09

webengine.dll

2.0.50727.7041

437,400

27-Oct-2013

22:09

system.web.dll

2.0.50727.7041

5,287,936

27-Oct-2013

22:09



Applies toThis article applies to the following:

  • Microsoft .NET Framework 3.5 when used with:

    • Windows 8

    • Windows Server 2012

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

Thank you for your feedback!

Thank you for your feedback! It sounds like it might be helpful to connect you to one of our Office support agents.

×