Summary

A security update is available for Windows Embedded Compact 7. This update addresses vulnerabilities in Remote Code Executions (RCE) which could cause a heap buffer overflow write and Remote Procedure Calls (RPC) which might potentially leak process memory content or cause a denial of service. For more information about these issues, see the following articles: 

Software update information

Download information

This Windows Embedded Compact 7 Monthly Update (March 2021) is now available from Microsoft. To download the update, go to the Device Partner Center (DPC).

Prerequisites

This update is supported only if all previous updates for this product are installed.

Restart requirement

After you apply this update, you must perform a clean build of the whole platform. To do this, use one of the following methods:

  • On the Build menu, select Clean Solution, and then select Build Solution.

  • On the Build menu, select Rebuild Solution.

You don't have to restart the computer after you apply this software update.

Update replacement information

This update doesn't replace any other updates.

File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and 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 times may change when you perform certain operations on the files.

File name

File version

File size

Date

Time

Path

Rpcrt4.dll

Not Applicable

638,976

11-Mar-2021

13:37

Public\Common\Oak\Target\Armv5\Checked

Rpcrt4.map

Not Applicable

355,827

11-Mar-2021

13:37

Public\Common\Oak\Target\Armv5\Checked

Rpcrt4.rel

Not Applicable

267,379

11-Mar-2021

13:37

Public\Common\Oak\Target\Armv5\Checked

Rpcrt4.dll

Not Applicable

1,101,824

11-Mar-2021

13:37

Public\Common\Oak\Target\Armv5\Debug

Rpcrt4.map

Not Applicable

484,958

11-Mar-2021

13:37

Public\Common\Oak\Target\Armv5\Debug

Rpcrt4.rel

Not Applicable

300,265

11-Mar-2021

13:37

Public\Common\Oak\Target\Armv5\Debug

Rpcrt4.dll

Not Applicable

360,448

11-Mar-2021

13:36

Public\Common\Oak\Target\Armv5\Retail

Rpcrt4.map

Not Applicable

213,475

11-Mar-2021

13:36

Public\Common\Oak\Target\Armv5\Retail

Rpcrt4.rel

Not Applicable

120,813

11-Mar-2021

13:36

Public\Common\Oak\Target\Armv5\Retail

Rpcrt4.dll

Not Applicable

634,880

11-Mar-2021

13:37

Public\Common\Oak\Target\Armv6\Checked

Rpcrt4.map

Not Applicable

355,471

11-Mar-2021

13:37

Public\Common\Oak\Target\Armv6\Checked

Rpcrt4.rel

Not Applicable

266,654

11-Mar-2021

13:37

Public\Common\Oak\Target\Armv6\Checked

Rpcrt4.dll

Not Applicable

1,097,728

11-Mar-2021

13:37

Public\Common\Oak\Target\Armv6\Debug

Rpcrt4.map

Not Applicable

484,706

11-Mar-2021

13:37

Public\Common\Oak\Target\Armv6\Debug

Rpcrt4.rel

Not Applicable

299,627

11-Mar-2021

13:37

Public\Common\Oak\Target\Armv6\Debug

Rpcrt4.dll

Not Applicable

356,352

11-Mar-2021

13:37

Public\Common\Oak\Target\Armv6\Retail

Rpcrt4.map

Not Applicable

213,137

11-Mar-2021

13:37

Public\Common\Oak\Target\Armv6\Retail

Rpcrt4.rel

Not Applicable

120,436

11-Mar-2021

13:37

Public\Common\Oak\Target\Armv6\Retail

Rpcrt4.dll

Not Applicable

622,592

11-Mar-2021

13:38

Public\Common\Oak\Target\Armv7\Checked

Rpcrt4.map

Not Applicable

355,546

11-Mar-2021

13:38

Public\Common\Oak\Target\Armv7\Checked

Rpcrt4.rel

Not Applicable

266,828

11-Mar-2021

13:38

Public\Common\Oak\Target\Armv7\Checked

Rpcrt4.dll

Not Applicable

1,085,440

11-Mar-2021

13:36

Public\Common\Oak\Target\Armv7\Debug

Rpcrt4.map

Not Applicable

484,698

11-Mar-2021

13:36

Public\Common\Oak\Target\Armv7\Debug

Rpcrt4.rel

Not Applicable

299,627

11-Mar-2021

13:36

Public\Common\Oak\Target\Armv7\Debug

Rpcrt4.dll

Not Applicable

356,352

11-Mar-2021

13:40

Public\Common\Oak\Target\Armv7\Retail

Rpcrt4.map

Not Applicable

213,219

11-Mar-2021

13:40

Public\Common\Oak\Target\Armv7\Retail

Rpcrt4.rel

Not Applicable

120,523

11-Mar-2021

13:40

Public\Common\Oak\Target\Armv7\Retail

Rpcrt4.dll

Not Applicable

847,872

11-Mar-2021

13:38

Public\Common\Oak\Target\Mipsii\Checked

Rpcrt4.map

Not Applicable

357,398

11-Mar-2021

13:38

Public\Common\Oak\Target\Mipsii\Checked

Rpcrt4.rel

Not Applicable

951,286

11-Mar-2021

13:38

Public\Common\Oak\Target\Mipsii\Checked

Rpcrt4.dll

Not Applicable

1,257,472

11-Mar-2021

13:35

Public\Common\Oak\Target\Mipsii\Debug

Rpcrt4.map

Not Applicable

483,346

11-Mar-2021

13:35

Public\Common\Oak\Target\Mipsii\Debug

Rpcrt4.rel

Not Applicable

1,352,153

11-Mar-2021

13:35

Public\Common\Oak\Target\Mipsii\Debug

Rpcrt4.dll

Not Applicable

479,232

11-Mar-2021

13:36

Public\Common\Oak\Target\Mipsii\Retail

Rpcrt4.map

Not Applicable

214,503

11-Mar-2021

13:36

Public\Common\Oak\Target\Mipsii\Retail

Rpcrt4.rel

Not Applicable

418,179

11-Mar-2021

13:36

Public\Common\Oak\Target\Mipsii\Retail

Rpcrt4.dll

Not Applicable

847,872

11-Mar-2021

13:37

Public\Common\Oak\Target\Mipsii_fp\Checked

Rpcrt4.map

Not Applicable

356,438

11-Mar-2021

13:37

Public\Common\Oak\Target\Mipsii_fp\Checked

Rpcrt4.rel

Not Applicable

949,343

11-Mar-2021

13:37

Public\Common\Oak\Target\Mipsii_fp\Checked

Rpcrt4.dll

Not Applicable

1,257,472

11-Mar-2021

13:37

Public\Common\Oak\Target\Mipsii_fp\Debug

Rpcrt4.map

Not Applicable

482,385

11-Mar-2021

13:37

Public\Common\Oak\Target\Mipsii_fp\Debug

Rpcrt4.rel

Not Applicable

1,351,051

11-Mar-2021

13:37

Public\Common\Oak\Target\Mipsii_fp\Debug

Rpcrt4.dll

Not Applicable

479,232

11-Mar-2021

13:35

Public\Common\Oak\Target\Mipsii_fp\Retail

Rpcrt4.map

Not Applicable

213,721

11-Mar-2021

13:35

Public\Common\Oak\Target\Mipsii_fp\Retail

Rpcrt4.rel

Not Applicable

417,570

11-Mar-2021

13:35

Public\Common\Oak\Target\Mipsii_fp\Retail

Rpcrt4.dll

Not Applicable

569,344

11-Mar-2021

13:36

Public\Common\Oak\Target\Sh4\Checked

Rpcrt4.map

Not Applicable

359,896

11-Mar-2021

13:36

Public\Common\Oak\Target\Sh4\Checked

Rpcrt4.rel

Not Applicable

473,105

11-Mar-2021

13:36

Public\Common\Oak\Target\Sh4\Checked

Rpcrt4.dll

Not Applicable

856,064

11-Mar-2021

13:36

Public\Common\Oak\Target\Sh4\Debug

Rpcrt4.map

Not Applicable

485,145

11-Mar-2021

13:36

Public\Common\Oak\Target\Sh4\Debug

Rpcrt4.rel

Not Applicable

609,869

11-Mar-2021

13:36

Public\Common\Oak\Target\Sh4\Debug

Rpcrt4.dll

Not Applicable

331,776

11-Mar-2021

13:43

Public\Common\Oak\Target\Sh4\Retail

Rpcrt4.map

Not Applicable

216,970

11-Mar-2021

13:43

Public\Common\Oak\Target\Sh4\Retail

Rpcrt4.rel

Not Applicable

248,065

11-Mar-2021

13:43

Public\Common\Oak\Target\Sh4\Retail

Rpcrt4.dll

Not Applicable

471,040

11-Mar-2021

13:36

Public\Common\Oak\Target\X86\Checked

Rpcrt4.map

Not Applicable

383,031

11-Mar-2021

13:36

Public\Common\Oak\Target\X86\Checked

Rpcrt4.rel

Not Applicable

252,125

11-Mar-2021

13:36

Public\Common\Oak\Target\X86\Checked

Rpcrt4.dll

Not Applicable

757,760

11-Mar-2021

13:36

Public\Common\Oak\Target\X86\Debug

Rpcrt4.map

Not Applicable

481,646

11-Mar-2021

13:36

Public\Common\Oak\Target\X86\Debug

Rpcrt4.rel

Not Applicable

349,739

11-Mar-2021

13:36

Public\Common\Oak\Target\X86\Debug

Rpcrt4.dll

Not Applicable

253,952

11-Mar-2021

14:16

Public\Common\Oak\Target\X86\Retail

Rpcrt4.map

Not Applicable

245,848

11-Mar-2021

14:16

Public\Common\Oak\Target\X86\Retail

Rpcrt4.rel

Not Applicable

75,631

11-Mar-2021

14:16

Public\Common\Oak\Target\X86\Retail

Idispproxy.lib

Not Applicable

141,218

11-Mar-2021

13:46

Public\Dcom\Oak\Lib\Armv5\Checked

Idispproxy.lib

Not Applicable

156,120

11-Mar-2021

13:46

Public\Dcom\Oak\Lib\Armv5\Debug

Idispproxy.lib

Not Applicable

147,680

11-Mar-2021

13:45

Public\Dcom\Oak\Lib\Armv5\Retail

Idispproxy.lib

Not Applicable

141,272

11-Mar-2021

13:46

Public\Dcom\Oak\Lib\Armv6\Checked

Idispproxy.lib

Not Applicable

156,020

11-Mar-2021

13:46

Public\Dcom\Oak\Lib\Armv6\Debug

Idispproxy.lib

Not Applicable

147,730

11-Mar-2021

13:46

Public\Dcom\Oak\Lib\Armv6\Retail

Idispproxy.lib

Not Applicable

140,428

11-Mar-2021

13:46

Public\Dcom\Oak\Lib\Armv7\Checked

Idispproxy.lib

Not Applicable

155,188

11-Mar-2021

13:45

Public\Dcom\Oak\Lib\Armv7\Debug

Idispproxy.lib

Not Applicable

146,894

11-Mar-2021

13:50

Public\Dcom\Oak\Lib\Armv7\Retail

Idispproxy.lib

Not Applicable

129,330

11-Mar-2021

13:46

Public\Dcom\Oak\Lib\Mipsii\Checked

Idispproxy.lib

Not Applicable

142,638

11-Mar-2021

13:44

Public\Dcom\Oak\Lib\Mipsii\Debug

Idispproxy.lib

Not Applicable

135,746

11-Mar-2021

13:44

Public\Dcom\Oak\Lib\Mipsii\Retail

Idispproxy.lib

Not Applicable

129,532

11-Mar-2021

13:45

Public\Dcom\Oak\Lib\Mipsii_fp\Checked

Idispproxy.lib

Not Applicable

142,826

11-Mar-2021

13:45

Public\Dcom\Oak\Lib\Mipsii_fp\Debug

Idispproxy.lib

Not Applicable

135,972

11-Mar-2021

13:44

Public\Dcom\Oak\Lib\Mipsii_fp\Retail

Idispproxy.lib

Not Applicable

124,158

11-Mar-2021

13:45

Public\Dcom\Oak\Lib\Sh4\Checked

Idispproxy.lib

Not Applicable

131,442

11-Mar-2021

13:45

Public\Dcom\Oak\Lib\Sh4\Debug

Idispproxy.lib

Not Applicable

131,352

11-Mar-2021

13:50

Public\Dcom\Oak\Lib\Sh4\Retail

Idispproxy.lib

Not Applicable

123,200

11-Mar-2021

13:44

Public\Dcom\Oak\Lib\X86\Checked

Idispproxy.lib

Not Applicable

129,928

11-Mar-2021

13:45

Public\Dcom\Oak\Lib\X86\Debug

Idispproxy.lib

Not Applicable

127,130

11-Mar-2021

14:24

Public\Dcom\Oak\Lib\X86\Retail

Rpcrt4legacy.dll

Not Applicable

376,832

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Armv5\Checked

Rpcrt4legacy.map

Not Applicable

316,328

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Armv5\Checked

Rpcrt4legacy.rel

Not Applicable

170,925

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Armv5\Checked

Rpcrt4legacy.dll

Not Applicable

692,224

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Armv5\Debug

Rpcrt4legacy.map

Not Applicable

380,592

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Armv5\Debug

Rpcrt4legacy.rel

Not Applicable

191,631

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Armv5\Debug

Rpcrt4legacy.dll

Not Applicable

331,776

11-Mar-2021

13:45

Public\Dcom\Oak\Target\Armv5\Retail

Rpcrt4legacy.map

Not Applicable

290,190

11-Mar-2021

13:45

Public\Dcom\Oak\Target\Armv5\Retail

Rpcrt4legacy.rel

Not Applicable

137,894

11-Mar-2021

13:45

Public\Dcom\Oak\Target\Armv5\Retail

Rpcrt4legacy.dll

Not Applicable

376,832

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Armv6\Checked

Rpcrt4legacy.map

Not Applicable

316,324

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Armv6\Checked

Rpcrt4legacy.rel

Not Applicable

170,925

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Armv6\Checked

Rpcrt4legacy.dll

Not Applicable

692,224

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Armv6\Debug

Rpcrt4legacy.map

Not Applicable

380,595

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Armv6\Debug

Rpcrt4legacy.rel

Not Applicable

191,631

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Armv6\Debug

Rpcrt4legacy.dll

Not Applicable

331,776

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Armv6\Retail

Rpcrt4legacy.map

Not Applicable

290,080

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Armv6\Retail

Rpcrt4legacy.rel

Not Applicable

137,865

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Armv6\Retail

Rpcrt4legacy.dll

Not Applicable

368,640

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Armv7\Checked

Rpcrt4legacy.map

Not Applicable

316,324

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Armv7\Checked

Rpcrt4legacy.rel

Not Applicable

170,925

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Armv7\Checked

Rpcrt4legacy.dll

Not Applicable

684,032

11-Mar-2021

13:45

Public\Dcom\Oak\Target\Armv7\Debug

Rpcrt4legacy.map

Not Applicable

380,591

11-Mar-2021

13:45

Public\Dcom\Oak\Target\Armv7\Debug

Rpcrt4legacy.rel

Not Applicable

191,602

11-Mar-2021

13:45

Public\Dcom\Oak\Target\Armv7\Debug

Rpcrt4legacy.dll

Not Applicable

327,680

11-Mar-2021

13:50

Public\Dcom\Oak\Target\Armv7\Retail

Rpcrt4legacy.map

Not Applicable

289,988

11-Mar-2021

13:50

Public\Dcom\Oak\Target\Armv7\Retail

Rpcrt4legacy.rel

Not Applicable

137,836

11-Mar-2021

13:50

Public\Dcom\Oak\Target\Armv7\Retail

Rpcrt4legacy.dll

Not Applicable

483,328

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Mipsii\Checked

Rpcrt4legacy.map

Not Applicable

315,642

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Mipsii\Checked

Rpcrt4legacy.rel

Not Applicable

504,541

11-Mar-2021

13:46

Public\Dcom\Oak\Target\Mipsii\Checked

Rpcrt4legacy.dll

Not Applicable

749,568

11-Mar-2021

13:44

Public\Dcom\Oak\Target\Mipsii\Debug

Rpcrt4legacy.map

Not Applicable

378,212

11-Mar-2021

13:44

Public\Dcom\Oak\Target\Mipsii\Debug

Rpcrt4legacy.rel

Not Applicable

664,766

11-Mar-2021

13:44

Public\Dcom\Oak\Target\Mipsii\Debug

Rpcrt4legacy.dll

Not Applicable

425,984

11-Mar-2021

13:44

Public\Dcom\Oak\Target\Mipsii\Retail

Rpcrt4legacy.map

Not Applicable

289,301

11-Mar-2021

13:44

Public\Dcom\Oak\Target\Mipsii\Retail

Rpcrt4legacy.rel

Not Applicable

407,217

11-Mar-2021

13:44

Public\Dcom\Oak\Target\Mipsii\Retail

Rpcrt4legacy.dll

Not Applicable

483,328

11-Mar-2021

13:45

Public\Dcom\Oak\Target\Mipsii_fp\Checked

Rpcrt4legacy.map

Not Applicable

315,641

11-Mar-2021

13:45

Public\Dcom\Oak\Target\Mipsii_fp\Checked

Rpcrt4legacy.rel

Not Applicable

504,570

11-Mar-2021

13:45

Public\Dcom\Oak\Target\Mipsii_fp\Checked

Rpcrt4legacy.dll

Not Applicable

749,568

11-Mar-2021

13:45

Public\Dcom\Oak\Target\Mipsii_fp\Debug

Rpcrt4legacy.map

Not Applicable

378,218

11-Mar-2021

13:45

Public\Dcom\Oak\Target\Mipsii_fp\Debug

Rpcrt4legacy.rel

Not Applicable

664,795

11-Mar-2021

13:45

Public\Dcom\Oak\Target\Mipsii_fp\Debug

Rpcrt4legacy.dll

Not Applicable

425,984

11-Mar-2021

13:44

Public\Dcom\Oak\Target\Mipsii_fp\Retail

Rpcrt4legacy.map

Not Applicable

289,301

11-Mar-2021

13:44

Public\Dcom\Oak\Target\Mipsii_fp\Retail

Rpcrt4legacy.rel

Not Applicable

407,246

11-Mar-2021

13:44

Public\Dcom\Oak\Target\Mipsii_fp\Retail

Rpcrt4legacy.dll

Not Applicable

348,160

11-Mar-2021

13:45

Public\Dcom\Oak\Target\Sh4\Checked

Rpcrt4legacy.map

Not Applicable

319,113

11-Mar-2021

13:45

Public\Dcom\Oak\Target\Sh4\Checked

Rpcrt4legacy.rel

Not Applicable

294,117

11-Mar-2021

13:45

Public\Dcom\Oak\Target\Sh4\Checked

Rpcrt4legacy.dll

Not Applicable

532,480

11-Mar-2021

13:45

Public\Dcom\Oak\Target\Sh4\Debug

Rpcrt4legacy.map

Not Applicable

381,367

11-Mar-2021

13:45

Public\Dcom\Oak\Target\Sh4\Debug

Rpcrt4legacy.rel

Not Applicable

353,335

11-Mar-2021

13:45

Public\Dcom\Oak\Target\Sh4\Debug

Rpcrt4legacy.dll

Not Applicable

307,200

11-Mar-2021

13:50

Public\Dcom\Oak\Target\Sh4\Retail

Rpcrt4legacy.map

Not Applicable

292,427

11-Mar-2021

13:50

Public\Dcom\Oak\Target\Sh4\Retail

Rpcrt4legacy.rel

Not Applicable

261,637

11-Mar-2021

13:50

Public\Dcom\Oak\Target\Sh4\Retail

Rpcrt4legacy.dll

Not Applicable

286,720

11-Mar-2021

13:44

Public\Dcom\Oak\Target\X86\Checked

Rpcrt4legacy.map

Not Applicable

321,727

11-Mar-2021

13:44

Public\Dcom\Oak\Target\X86\Checked

Rpcrt4legacy.rel

Not Applicable

156,222

11-Mar-2021

13:44

Public\Dcom\Oak\Target\X86\Checked

Rpcrt4legacy.dll

Not Applicable

479,232

11-Mar-2021

13:45

Public\Dcom\Oak\Target\X86\Debug

Rpcrt4legacy.map

Not Applicable

378,069

11-Mar-2021

13:45

Public\Dcom\Oak\Target\X86\Debug

Rpcrt4legacy.rel

Not Applicable

201,665

11-Mar-2021

13:45

Public\Dcom\Oak\Target\X86\Debug

Rpcrt4legacy.dll

Not Applicable

258,048

11-Mar-2021

14:25

Public\Dcom\Oak\Target\X86\Retail

Rpcrt4legacy.map

Not Applicable

299,193

11-Mar-2021

14:25

Public\Dcom\Oak\Target\X86\Retail

Rpcrt4legacy.rel

Not Applicable

109,735

11-Mar-2021

14:25

Public\Dcom\Oak\Target\X86\Retail

References

Learn about the terminology that Microsoft uses to describe software updates.

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