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Summary

This update resolves a vulnerability in the Microsoft .NET Framework. The vulnerability could cause information disclosure if an attacker uploads a specially crafted XML file to a web-based application. To learn more about this vulnerability, see Microsoft Security Bulletin MS16-091.

More Information

Important All future security and nonsecurity updates for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 require update 2919355 to be installed. We recommend that you install update 2919355 on your Windows RT 8.1-based, Windows 8.1-based, or Windows Server 2012 R2-based computer so that you receive future updates.

How to obtain and install this update

Method 1: Windows Update

This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to get security updates automatically, see the "Turn on automatic updating in the Control Panel" section of this Safety & Security Center article.Note For Windows RT 8.1, this update is available through Windows Update only.

Method 2: Microsoft Download Center

You can obtain the stand-alone update package through the Microsoft Download Center. To install this update, follow the installation instructions on the download page.DownloadDownload security update 3163291

Update deployment information

For deployment information about this update, see Microsoft Knowledge Base Article 3170048.

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.

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.

File hash

Package name

Package hash SHA1

Package hash SHA2

Windows8.1-KB3163291-arm.msu

58D4A70FB65F5361DBCB9BB99034FCB5F121B3F4

853F435650CADF32C8659BC8C8A62C0EE369C377E8099CE71421E24A2E670ED0

Windows8.1-KB3163291-x64.msu

513564016A2F56E7E885BBA2F6109897AF35FFCA

F585AAE696B9259ED014200F6DF46FD67CA69DA53EDF2B4FC72551556435CFB3

Windows8.1-KB3163291-x86.msu

2CBCFE94A765F936C0BEA09353425BAED0289DA4

771A2146CD4C4107742C75565BC470DA4A37B75F6EB0E8381DB87C1F5EA29CC1

Windows8.1-KB3163291-x86.msu

2CBCFE94A765F936C0BEA09353425BAED0289DA4

771A2146CD4C4107742C75565BC470DA4A37B75F6EB0E8381DB87C1F5EA29CC1

Windows8.1-KB3163291-x64.msu

513564016A2F56E7E885BBA2F6109897AF35FFCA

F585AAE696B9259ED014200F6DF46FD67CA69DA53EDF2B4FC72551556435CFB3

Windows8.1-KB3163291-x64.msu

513564016A2F56E7E885BBA2F6109897AF35FFCA

F585AAE696B9259ED014200F6DF46FD67CA69DA53EDF2B4FC72551556435CFB3

Windows8.1-KB3163291-x64.msu

513564016A2F56E7E885BBA2F6109897AF35FFCA

F585AAE696B9259ED014200F6DF46FD67CA69DA53EDF2B4FC72551556435CFB3

File attributes

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 systems

File name

File version

File size

Date

Time

system.data.resources.dll

4.0.30319.36341

401,624

24-May-2016

13:11

system.data.resources.dll

4.0.30319.36341

373,464

24-May-2016

13:11

system.data.resources.dll

4.0.30319.36341

370,392

24-May-2016

13:11

system.data.resources.dll

4.0.30319.36341

380,632

24-May-2016

13:11

system.data.resources.dll

4.0.30319.36341

454,360

24-May-2016

13:12

system.data.resources.dll

4.0.30319.36341

373,976

24-May-2016

13:12

system.data.resources.dll

4.0.30319.36341

367,320

24-May-2016

13:11

system.data.resources.dll

4.0.30319.36341

379,096

24-May-2016

13:12

system.data.resources.dll

4.0.30319.36341

392,912

24-May-2016

13:11

system.data.resources.dll

4.0.30319.36341

385,744

24-May-2016

13:11

system.data.resources.dll

4.0.30319.36341

373,464

24-May-2016

13:16

system.data.resources.dll

4.0.30319.36341

397,528

24-May-2016

13:16

system.data.resources.dll

4.0.30319.36341

382,168

24-May-2016

13:16

system.data.resources.dll

4.0.30319.36341

364,248

24-May-2016

13:12

system.data.resources.dll

4.0.30319.36341

377,048

24-May-2016

13:12

system.data.resources.dll

4.0.30319.36341

381,144

24-May-2016

13:12

system.data.resources.dll

4.0.30319.36341

370,904

24-May-2016

13:18

system.data.resources.dll

4.0.30319.36341

374,488

24-May-2016

13:18

system.data.resources.dll

4.0.30319.36341

437,464

24-May-2016

13:10

system.data.resources.dll

4.0.30319.36341

367,320

24-May-2016

13:10

system.data.resources.dll

4.0.30319.36341

368,856

24-May-2016

13:10

system.data.resources.dll

4.0.30319.36341

350,424

24-May-2016

13:10

system.data.resources.dll

4.0.30319.36341

352,984

24-May-2016

13:12

msvcp120_clr0400.dll

12.0.52361.36361

536,768

25-May-2016

13:22

msvcr120_clr0400.dll

12.0.52361.36361

875,712

25-May-2016

13:22

system.data.dll

4.0.30319.36361

3,209,392

25-May-2016

13:22

For all supported x64-based versions of systems

File name

File version

File size

Date

Time

msvcp120_clr0400.dll

12.0.52361.36361

678,600

25-May-2016

13:12

msvcr120_clr0400.dll

12.0.52361.36361

869,576

25-May-2016

13:12

system.data.dll

4.0.30319.36361

3,238,064

25-May-2016

13:12

system.data.resources.dll

4.0.30319.36341

401,624

04-Mar-2016

14:11

system.data.resources.dll

4.0.30319.36341

373,464

04-Mar-2016

14:11

system.data.resources.dll

4.0.30319.36341

370,392

04-Mar-2016

14:11

system.data.resources.dll

4.0.30319.36341

380,632

04-Mar-2016

14:11

system.data.resources.dll

4.0.30319.36341

454,512

25-May-2016

13:10

system.data.resources.dll

4.0.30319.36341

373,976

25-May-2016

13:11

system.data.resources.dll

4.0.30319.36341

367,320

19-May-2016

13:12

system.data.resources.dll

4.0.30319.36341

379,096

04-Mar-2016

14:11

system.data.resources.dll

4.0.30319.36341

392,920

19-May-2016

13:11

system.data.resources.dll

4.0.30319.36341

385,752

19-May-2016

13:12

system.data.resources.dll

4.0.30319.36341

373,464

19-May-2016

13:12

system.data.resources.dll

4.0.30319.36341

397,528

19-May-2016

13:12

system.data.resources.dll

4.0.30319.36341

382,160

19-May-2016

13:12

system.data.resources.dll

4.0.30319.36341

364,248

19-May-2016

13:12

system.data.resources.dll

4.0.30319.36341

377,048

19-May-2016

13:12

system.data.resources.dll

4.0.30319.36341

381,144

19-May-2016

13:12

system.data.resources.dll

4.0.30319.36341

370,904

19-May-2016

13:13

system.data.resources.dll

4.0.30319.36341

374,488

19-May-2016

13:13

system.data.resources.dll

4.0.30319.36341

437,464

19-May-2016

13:12

system.data.resources.dll

4.0.30319.36341

367,320

19-May-2016

13:14

system.data.resources.dll

4.0.30319.36341

368,856

19-May-2016

13:14

system.data.resources.dll

4.0.30319.36341

350,424

25-May-2016

13:09

system.data.resources.dll

4.0.30319.36341

352,984

04-Mar-2016

14:11

msvcp120_clr0400.dll

12.0.52361.36361

536,768

25-May-2016

13:22

msvcr120_clr0400.dll

12.0.52361.36361

875,712

25-May-2016

13:22

system.data.dll

4.0.30319.36361

3,209,392

25-May-2016

13:22

For all supported ARM-based versions of systems

File name

File version

File size

Date

Time

msvcp120_clr0400.dll

12.0.52361.36361

602,128

25-May-2016

13:11

msvcr120_clr0400.dll

12.0.52361.36361

634,384

25-May-2016

13:11

system.data.dll

4.0.30319.36361

3,179,512

25-May-2016

13:11

system.data.resources.dll

4.0.30319.36341

403,488

24-May-2016

13:12

system.data.resources.dll

4.0.30319.36341

375,488

24-May-2016

13:14

system.data.resources.dll

4.0.30319.36341

372,256

24-May-2016

13:14

system.data.resources.dll

4.0.30319.36341

382,656

24-May-2016

13:14

system.data.resources.dll

4.0.30319.36341

456,224

13-Mar-2016

22:37

system.data.resources.dll

4.0.30319.36341

376,000

13-Mar-2016

22:39

system.data.resources.dll

4.0.30319.36341

369,184

24-May-2016

13:16

system.data.resources.dll

4.0.30319.36341

381,120

24-May-2016

13:12

system.data.resources.dll

4.0.30319.36341

394,784

24-May-2016

13:16

system.data.resources.dll

4.0.30319.36341

387,776

24-May-2016

13:16

system.data.resources.dll

4.0.30319.36341

375,480

25-May-2016

13:16

system.data.resources.dll

4.0.30319.36341

399,392

25-May-2016

13:16

system.data.resources.dll

4.0.30319.36341

384,192

25-May-2016

13:16

system.data.resources.dll

4.0.30319.36341

366,272

25-May-2016

13:09

system.data.resources.dll

4.0.30319.36341

378,912

25-May-2016

13:09

system.data.resources.dll

4.0.30319.36341

383,008

25-May-2016

13:09

system.data.resources.dll

4.0.30319.36341

372,920

14-Mar-2016

15:30

system.data.resources.dll

4.0.30319.36341

376,352

14-Mar-2016

15:31

system.data.resources.dll

4.0.30319.36341

439,488

14-Mar-2016

15:22

system.data.resources.dll

4.0.30319.36341

369,184

14-Mar-2016

15:23

system.data.resources.dll

4.0.30319.36341

370,880

14-Mar-2016

15:23

system.data.resources.dll

4.0.30319.36341

352,440

04-Mar-2016

14:12

system.data.resources.dll

4.0.30319.36341

354,848

24-May-2016

13:12

Help for installing updates: Support for Microsoft UpdateSecurity solutions for IT professionals: TechNet Security Troubleshooting and SupportHelp for protecting your Windows-based computer from viruses and malware: Virus Solution and Security CenterLocal support according to your country: International Support

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

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