Description of the security update for the Windows kernel information disclosure vulnerability: October 10, 2017

Summary

An information disclosure vulnerability exists in the Windows kernel that could allow an attacker to retrieve information that could lead to a Kernel Address Space Layout Randomization (ASLR) bypass.

To learn more about the vulnerability, go to the Security Update Guide.

More Information

Important

  • If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

How to obtain and install the 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 turn on automatic updating, see Windows Update: FAQ.

Method 2: Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

Deployment information

For deployment details for this security update, see the following article in the Microsoft Knowledge Base:

Security update deployment information: October 10, 2017

More Information


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 the times may change when you perform certain operations on the files.

Windows Server 2008 file information

Note: The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.

How to obtain help and support for this security update

Help for installing updates: Windows Update: FAQ

Security solutions for IT professionals: TechNet Security Support and Troubleshooting

Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure

Local support according to your country: International Support

File Information

File hash information

File name

SHA1 hash

SHA256 hash

Windows6.0-KB4041671-x86.msu

4B25955F5EF022048EFEFDF180B7DD90EBC9F1A8

D71B5405495CA78FB45BD8E1BB0D8CEC9D4E646CC2E11ED173F37E7B5CC0E6EE

Windows6.0-KB4041671-ia64.msu

8FF84E637FAC907B77D003E31F107B31C8424BA3

814DAF9A6AF058570C8238C675B376AA31E95BA6795F20182E8B86E1F8683268

Windows6.0-KB4041671-x64.msu

8F3D2BDC2F154887F1CD16E2F2E8839A24FD7A5D

13EC92D7EF4F2D72D15908A2EFAC6DA67E7A88818DF29CA1ACB0048C5FC42F8D

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Advapi32.dll.mui

6.0.6002.24202

380,928

13-Sep-2017

17:07

Not applicable

Advapi32.dll.mui

6.0.6002.24202

389,120

13-Sep-2017

17:19

Not applicable

Advapi32.dll.mui

6.0.6002.24202

385,024

13-Sep-2017

17:10

Not applicable

Advapi32.dll.mui

6.0.6002.24202

385,024

13-Sep-2017

17:08

Not applicable

Advapi32.dll.mui

6.0.6002.24202

401,408

13-Sep-2017

17:14

Not applicable

Advapi32.dll.mui

6.0.6002.24202

266,240

13-Sep-2017

15:34

Not applicable

Advapi32.dll.mui

6.0.6002.24202

393,216

13-Sep-2017

17:15

Not applicable

Advapi32.dll.mui

6.0.6002.24202

385,024

13-Sep-2017

17:09

Not applicable

Advapi32.dll.mui

6.0.6002.24202

393,216

13-Sep-2017

17:12

Not applicable

Advapi32.dll.mui

6.0.6002.24202

376,832

13-Sep-2017

17:10

Not applicable

Advapi32.dll.mui

6.0.6002.24202

393,216

13-Sep-2017

17:13

Not applicable

Advapi32.dll.mui

6.0.6002.24202

389,120

13-Sep-2017

17:22

Not applicable

Advapi32.dll.mui

6.0.6002.24202

360,448

13-Sep-2017

17:19

Not applicable

Advapi32.dll.mui

6.0.6002.24202

360,448

13-Sep-2017

17:10

Not applicable

Advapi32.dll.mui

6.0.6002.24202

385,024

13-Sep-2017

17:22

Not applicable

Advapi32.dll.mui

6.0.6002.24202

389,120

13-Sep-2017

17:22

Not applicable

Advapi32.dll.mui

6.0.6002.24202

393,216

13-Sep-2017

17:17

Not applicable

Advapi32.dll.mui

6.0.6002.24202

389,120

13-Sep-2017

17:34

Not applicable

Advapi32.dll.mui

6.0.6002.24202

389,120

13-Sep-2017

17:29

Not applicable

Advapi32.dll.mui

6.0.6002.24202

393,216

13-Sep-2017

17:14

Not applicable

Advapi32.dll.mui

6.0.6002.24202

385,024

13-Sep-2017

17:28

Not applicable

Advapi32.dll.mui

6.0.6002.24202

385,024

13-Sep-2017

17:32

Not applicable

Advapi32.dll.mui

6.0.6002.24202

356,352

13-Sep-2017

17:18

Not applicable

Advapi32.dll.mui

6.0.6002.24202

348,160

13-Sep-2017

17:16

Not applicable

Advapi32.dll

6.0.6002.24202

802,816

13-Sep-2017

15:20

x86

Csrsrv.dll

6.0.6002.24202

49,664

13-Sep-2017

15:21

x86

Ntdll.dll

6.0.6002.24202

1,209,080

13-Sep-2017

23:08

x86

Ntkrnlpa.exe

6.0.6002.24202

3,613,928

13-Sep-2017

15:48

Not applicable

Ntoskrnl.exe

6.0.6002.24202

3,562,216

13-Sep-2017

15:48

Not applicable

Rpcrt4.dll

6.0.6002.24202

783,872

13-Sep-2017

15:22

x86

Smss.exe

6.0.6002.24202

64,512

13-Sep-2017

14:22

x86

For all supported ia64-based versions

File name

File version

File size

Date

Time

Platform

Service branch

Advapi32.dll.mui

6.0.6002.24202

373,760

13-Sep-2017

16:54

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

255,488

13-Sep-2017

15:29

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

385,536

13-Sep-2017

17:09

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

352,768

13-Sep-2017

16:56

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

349,696

13-Sep-2017

17:07

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

346,624

13-Sep-2017

17:03

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

338,944

13-Sep-2017

16:59

Not applicable

Not applicable

Advapi32.dll

6.0.6002.24202

1,963,520

13-Sep-2017

15:19

IA-64

Not applicable

Csrsrv.dll

6.0.6002.24202

150,016

13-Sep-2017

15:20

IA-64

Not applicable

Ntdll.dll

6.0.6002.24202

2,551,536

13-Sep-2017

23:01

IA-64

Not applicable

Ntoskrnl.exe

6.0.6002.24202

9,469,672

13-Sep-2017

15:43

IA-64

Not applicable

Rpcrt4.dll

6.0.6002.24202

3,289,088

13-Sep-2017

15:21

IA-64

Not applicable

Smss.exe

6.0.6002.24202

159,232

13-Sep-2017

14:24

IA-64

Not applicable

Ia32exec.bin

6.5.6524.0

8,262,048

07-Mar-2016

23:41

Not applicable

IA64_MICROSOFT-WINDOWS-WOW

Ntvdm64.dll

6.0.6002.24202

27,648

13-Sep-2017

15:21

IA-64

IA64_MICROSOFT-WINDOWS-WOW

Wow64.dll

6.0.6002.24202

524,288

13-Sep-2017

15:22

IA-64

IA64_MICROSOFT-WINDOWS-WOW

Wow64cpu.dll

6.0.6002.24202

43,008

13-Sep-2017

15:22

IA-64

IA64_MICROSOFT-WINDOWS-WOW

Wow64win.dll

6.0.6002.24202

617,984

13-Sep-2017

15:22

IA-64

IA64_MICROSOFT-WINDOWS-WOW

Wowia32x.dll

6.5.6563.0

88,576

13-Sep-2017

15:22

IA-64

IA64_MICROSOFT-WINDOWS-WOW

Ntdll.dll

6.0.6002.24202

1,168,392

13-Sep-2017

23:01

x86

Not applicable

Rpcrt4.dll

6.0.6002.24202

678,912

13-Sep-2017

15:23

x86

Not applicable

Acwow64.dll

6.0.6002.24202

43,008

13-Sep-2017

15:20

x86

WOW64_MICROSOFT-WINDOWS-WOW

Instnm.exe

6.0.6002.24202

7,680

13-Sep-2017

14:22

x86

WOW64_MICROSOFT-WINDOWS-WOW

Ntvdm64.dll

6.0.6002.24202

14,336

13-Sep-2017

15:22

x86

WOW64_MICROSOFT-WINDOWS-WOW

Setup16.exe

3.1.0.1918

26,112

13-Sep-2017

14:22

x86

WOW64_MICROSOFT-WINDOWS-WOW

User.exe

6.0.6002.24202

2,560

13-Sep-2017

14:22

x86

WOW64_MICROSOFT-WINDOWS-WOW

Wow32.dll

6.0.6002.24202

5,120

13-Sep-2017

15:23

x86

WOW64_MICROSOFT-WINDOWS-WOW

Advapi32.dll.mui

6.0.6002.24202

385,024

13-Sep-2017

17:08

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

266,240

13-Sep-2017

15:34

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

393,216

13-Sep-2017

17:12

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

360,448

13-Sep-2017

17:19

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

360,448

13-Sep-2017

17:10

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

356,352

13-Sep-2017

17:18

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

348,160

13-Sep-2017

17:16

Not applicable

Not applicable

Advapi32.dll

6.0.6002.24202

802,816

13-Sep-2017

15:20

x86

Not applicable

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Service branch

Advapi32.dll.mui

6.0.6002.24202

371,200

13-Sep-2017

18:44

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

379,392

13-Sep-2017

18:45

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

376,832

13-Sep-2017

18:44

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

373,760

13-Sep-2017

18:52

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

393,216

13-Sep-2017

18:46

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

255,488

13-Sep-2017

15:29

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

381,952

13-Sep-2017

18:52

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

375,808

13-Sep-2017

18:43

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

385,536

13-Sep-2017

18:45

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

366,080

13-Sep-2017

18:52

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

383,488

13-Sep-2017

19:00

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

380,928

13-Sep-2017

18:54

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

352,768

13-Sep-2017

19:01

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

349,696

13-Sep-2017

18:56

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

374,272

13-Sep-2017

18:56

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

380,416

13-Sep-2017

18:59

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

385,536

13-Sep-2017

18:53

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

379,392

13-Sep-2017

18:09

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

379,904

13-Sep-2017

18:17

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

385,536

13-Sep-2017

18:14

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

375,296

13-Sep-2017

18:15

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

375,296

13-Sep-2017

18:15

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

346,624

13-Sep-2017

18:11

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

338,944

13-Sep-2017

18:48

Not applicable

Not applicable

Advapi32.dll

6.0.6002.24202

1,067,520

13-Sep-2017

15:21

x64

Not applicable

Csrsrv.dll

6.0.6002.24202

86,016

13-Sep-2017

15:21

x64

Not applicable

Ntdll.dll

6.0.6002.24202

1,583,512

13-Sep-2017

23:05

x64

Not applicable

Ntoskrnl.exe

6.0.6002.24202

4,665,576

13-Sep-2017

15:48

x64

Not applicable

Rpcrt4.dll

6.0.6002.24202

1,308,160

13-Sep-2017

15:23

x64

Not applicable

Smss.exe

6.0.6002.24202

75,776

13-Sep-2017

14:28

x64

Not applicable

Ntvdm64.dll

6.0.6002.24202

16,896

13-Sep-2017

15:22

x64

AMD64_MICROSOFT-WINDOWS-WOW

Wow64.dll

6.0.6002.24202

234,496

13-Sep-2017

15:23

x64

AMD64_MICROSOFT-WINDOWS-WOW

Wow64cpu.dll

6.0.6002.24202

17,408

13-Sep-2017

15:23

x64

AMD64_MICROSOFT-WINDOWS-WOW

Wow64win.dll

6.0.6002.24202

301,568

13-Sep-2017

15:23

x64

AMD64_MICROSOFT-WINDOWS-WOW

Ntdll.dll

6.0.6002.24202

1,168,392

13-Sep-2017

23:05

x86

Not applicable

Rpcrt4.dll

6.0.6002.24202

678,912

13-Sep-2017

15:23

x86

Not applicable

Acwow64.dll

6.0.6002.24202

43,008

13-Sep-2017

15:20

x86

WOW64_MICROSOFT-WINDOWS-WOW

Instnm.exe

6.0.6002.24202

7,680

13-Sep-2017

14:22

x86

WOW64_MICROSOFT-WINDOWS-WOW

Ntvdm64.dll

6.0.6002.24202

14,336

13-Sep-2017

15:22

x86

WOW64_MICROSOFT-WINDOWS-WOW

Setup16.exe

3.1.0.1918

26,112

13-Sep-2017

14:22

x86

WOW64_MICROSOFT-WINDOWS-WOW

User.exe

6.0.6002.24202

2,560

13-Sep-2017

14:22

x86

WOW64_MICROSOFT-WINDOWS-WOW

Wow32.dll

6.0.6002.24202

5,120

13-Sep-2017

15:23

x86

WOW64_MICROSOFT-WINDOWS-WOW

Advapi32.dll.mui

6.0.6002.24202

380,928

13-Sep-2017

17:07

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

389,120

13-Sep-2017

17:19

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

385,024

13-Sep-2017

17:10

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

385,024

13-Sep-2017

17:08

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

401,408

13-Sep-2017

17:14

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

266,240

13-Sep-2017

15:34

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

393,216

13-Sep-2017

17:15

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

385,024

13-Sep-2017

17:09

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

393,216

13-Sep-2017

17:12

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

376,832

13-Sep-2017

17:10

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

393,216

13-Sep-2017

17:13

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

389,120

13-Sep-2017

17:22

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

360,448

13-Sep-2017

17:19

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

360,448

13-Sep-2017

17:10

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

385,024

13-Sep-2017

17:22

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

389,120

13-Sep-2017

17:22

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

393,216

13-Sep-2017

17:17

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

389,120

13-Sep-2017

17:34

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

389,120

13-Sep-2017

17:29

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

393,216

13-Sep-2017

17:14

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

385,024

13-Sep-2017

17:28

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

385,024

13-Sep-2017

17:32

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

356,352

13-Sep-2017

17:18

Not applicable

Not applicable

Advapi32.dll.mui

6.0.6002.24202

348,160

13-Sep-2017

17:16

Not applicable

Not applicable

Advapi32.dll

6.0.6002.24202

802,816

13-Sep-2017

15:20

x86

Not applicable

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