Summary
This security update resolves vulnerabilities in Microsoft Windows. The most severe of the vulnerabilities could allow remote code execution if an attacker runs a specially crafted application that connects to an iSNS Server and then issues malicious requests to the server.
To learn more about the vulnerability, see Microsoft Security Bulletin MS17-012.
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.
More Information
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 name |
SHA1 hash |
SHA256 hash |
|---|---|---|
|
Windows6.0-KB4012021-x64.msu |
651185596D580B5DF86FFFE44A1C6C4AB93D1454 |
EA5486FBABCAB78CAEB6A665F04BB56F53D08F9C5A6422FB32B2B2835A658C76 |
|
Windows6.0-KB4012021-x86.msu |
266D72870FE4AC9ED0C4894426C581E2B8772F2E |
7CE1A13935114C7FC48F5FB5F789663F58211B6A8D06C28E4DAD8FD9F03E8E7C |
|
File name |
File version |
File size |
Date |
Time |
Platform |
|
Isns.mof |
Not applicable |
10,687 |
11-Apr-2009 |
02:12 |
Not applicable |
|
Isnscli.exe |
6.0.6002.18005 |
29,696 |
11-Apr-2009 |
07:10 |
x64 |
|
Isnsdll.dll |
6.0.6002.18005 |
58,880 |
11-Apr-2009 |
07:11 |
x64 |
|
Isnssrv.dll |
6.0.6002.19741 |
95,232 |
09-Feb-2017 |
17:21 |
x64 |
|
Isnsui.exe |
6.0.6002.18005 |
40,448 |
11-Apr-2009 |
07:10 |
x64 |
|
Isnsuid.dll |
6.0.6002.18005 |
66,048 |
11-Apr-2009 |
07:11 |
x64 |
|
Isnswmi.dll |
6.0.6002.18005 |
48,640 |
11-Apr-2009 |
07:11 |
x64 |
|
Isns.mof |
Not applicable |
10,687 |
09-Feb-2017 |
14:24 |
Not applicable |
|
Isnscli.exe |
6.0.6002.24065 |
30,208 |
09-Feb-2017 |
16:00 |
x64 |
|
Isnsdll.dll |
6.0.6002.24065 |
58,880 |
09-Feb-2017 |
17:40 |
x64 |
|
Isnssrv.dll |
6.0.6002.24065 |
95,232 |
09-Feb-2017 |
17:40 |
x64 |
|
Isnsui.exe |
6.0.6002.24065 |
40,448 |
09-Feb-2017 |
16:00 |
x64 |
|
Isnsuid.dll |
6.0.6002.24065 |
66,048 |
09-Feb-2017 |
17:40 |
x64 |
|
Isnswmi.dll |
6.0.6002.24065 |
48,640 |
09-Feb-2017 |
17:40 |
x64 |
|
File name |
File version |
File size |
Date |
Time |
Platform |
|
Isns.mof |
Not applicable |
10,687 |
11-Apr-2009 |
02:04 |
Not applicable |
|
Isnscli.exe |
6.0.6002.18005 |
25,600 |
11-Apr-2009 |
06:27 |
x86 |
|
Isnsdll.dll |
6.0.6002.18005 |
52,224 |
11-Apr-2009 |
06:28 |
x86 |
|
Isnssrv.dll |
6.0.6002.19741 |
70,144 |
09-Feb-2017 |
17:04 |
x86 |
|
Isnsui.exe |
6.0.6002.18005 |
39,936 |
11-Apr-2009 |
06:27 |
x86 |
|
Isnsuid.dll |
6.0.6002.18005 |
63,488 |
11-Apr-2009 |
06:28 |
x86 |
|
Isnswmi.dll |
6.0.6002.18005 |
36,352 |
11-Apr-2009 |
06:28 |
x86 |
|
Isns.mof |
Not applicable |
10,687 |
09-Feb-2017 |
14:24 |
Not applicable |
|
Isnscli.exe |
6.0.6002.24065 |
26,112 |
09-Feb-2017 |
15:36 |
x86 |
|
Isnsdll.dll |
6.0.6002.24065 |
52,224 |
09-Feb-2017 |
16:25 |
x86 |
|
Isnssrv.dll |
6.0.6002.24065 |
70,144 |
09-Feb-2017 |
16:25 |
x86 |
|
Isnsui.exe |
6.0.6002.24065 |
39,936 |
09-Feb-2017 |
15:36 |
x86 |
|
Isnsuid.dll |
6.0.6002.24065 |
63,488 |
09-Feb-2017 |
16:25 |
x86 |
|
Isnswmi.dll |
6.0.6002.24065 |
36,352 |
09-Feb-2017 |
16:25 |
x86 |
