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MicrosoftKB4041995HistoryOct 10, 2017 - 7:00 a.m.
Description of the security update for the Windows SMB vulnerabilities in Windows Server 2008: October 10, 2017
2017-10-1007:00:00
Microsoft
support.microsoft.com
15
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.2 High
AI Score
Confidence
Low
7.8 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
0.799 High
EPSS
Percentile
98.3%
Description of the security update for the Windows SMB vulnerabilities in Windows Server 2008: October 10, 2017
Summary
Vulnerabilities exist in Windows SMB that could allow remote code execution, denial of service, or information disclosure.
To learn more about the vulnerabilities, 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 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-KB4041995-ia64.msu | 5DB633D07A5C1B783BC7B837EA8C4AFDD9B828E6 | 47A2ABB21E034E27715AA40C7E4B76A1AC0DB2E6BD6B01A03A00187605EC1DCB |
| Windows6.0-KB4041995-x86.msu | 5E70340D44D72A5F674EE38F0067D2BFFC875B95 | 870E1271250A6679AE4D6DA371226DA34E9A5033C2BDD235F1E4C6BACCD4FF9E |
| Windows6.0-KB4041995-x64.msu | C11725FCA71F4C61605DAFFB5969BBE5A79AF70A | 941362B19D8E05B121E4C6A43F85954802AD7AEB071AA825E76525A620D44CDA |
For all supported ia64-based versions
| File name | File version | File size | Date | Time | Platform |
|---|---|---|---|---|---|
| Netevent.dll.mui | 6.0.6002.24201 | 270,336 | 09-Sep-2017 | 19:39 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 230,912 | 09-Sep-2017 | 15:24 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 270,848 | 09-Sep-2017 | 19:44 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 144,384 | 09-Sep-2017 | 19:31 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 137,216 | 09-Sep-2017 | 19:37 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 99,840 | 09-Sep-2017 | 19:47 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 101,376 | 09-Sep-2017 | 19:43 | Not applicable |
| Netevent.dll | 6.0.6002.24201 | 17,920 | 09-Sep-2017 | 15:18 | IA-64 |
| Mrxsmb10.sys | 6.0.6002.24201 | 670,208 | 09-Sep-2017 | 14:21 | IA-64 |
| Srvnet.sys | 6.0.6002.24201 | 297,984 | 09-Sep-2017 | 14:22 | IA-64 |
| Srv.sys | 6.0.6002.24201 | 969,216 | 09-Sep-2017 | 14:22 | IA-64 |
| Srv2.sys | 6.0.6002.24201 | 474,624 | 09-Sep-2017 | 14:22 | IA-64 |
| Netevent.dll.mui | 6.0.6002.24201 | 278,528 | 09-Sep-2017 | 17:18 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 241,664 | 09-Sep-2017 | 15:33 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 278,528 | 09-Sep-2017 | 17:14 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 155,648 | 09-Sep-2017 | 17:14 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 147,456 | 09-Sep-2017 | 17:20 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 110,592 | 09-Sep-2017 | 17:14 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 110,592 | 09-Sep-2017 | 17:09 | Not applicable |
| Netevent.dll | 6.0.6002.24201 | 17,920 | 09-Sep-2017 | 15:29 | x86 |
For all supported x86-based versions
| File name | File version | File size | Date | Time | Platform |
|---|---|---|---|---|---|
| Netevent.dll.mui | 6.0.6002.24201 | 241,664 | 09-Sep-2017 | 17:13 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 249,856 | 09-Sep-2017 | 17:10 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 278,528 | 09-Sep-2017 | 17:18 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 299,008 | 09-Sep-2017 | 17:17 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 241,664 | 09-Sep-2017 | 15:33 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 274,432 | 09-Sep-2017 | 17:15 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 237,568 | 09-Sep-2017 | 17:16 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 278,528 | 09-Sep-2017 | 17:14 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 262,144 | 09-Sep-2017 | 17:16 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 270,336 | 09-Sep-2017 | 17:05 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 155,648 | 09-Sep-2017 | 17:14 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 147,456 | 09-Sep-2017 | 17:20 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 237,568 | 09-Sep-2017 | 17:06 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 262,144 | 09-Sep-2017 | 17:08 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 258,048 | 09-Sep-2017 | 17:05 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 262,144 | 09-Sep-2017 | 17:06 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 270,336 | 09-Sep-2017 | 17:17 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 249,856 | 09-Sep-2017 | 17:20 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 241,664 | 09-Sep-2017 | 17:18 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 241,664 | 09-Sep-2017 | 17:24 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 110,592 | 09-Sep-2017 | 17:14 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 110,592 | 09-Sep-2017 | 17:09 | Not applicable |
| Netevent.dll | 6.0.6002.24201 | 17,920 | 09-Sep-2017 | 15:29 | x86 |
| Mrxsmb10.sys | 6.0.6002.24201 | 217,088 | 09-Sep-2017 | 14:29 | x86 |
| Srvnet.sys | 6.0.6002.24201 | 103,936 | 09-Sep-2017 | 14:29 | x86 |
| Srv.sys | 6.0.6002.24201 | 305,152 | 09-Sep-2017 | 14:29 | x86 |
| Srv2.sys | 6.0.6002.24201 | 148,480 | 09-Sep-2017 | 14:29 | x86 |
For all supported x64-based versions
| File name | File version | File size | Date | Time | Platform |
|---|---|---|---|---|---|
| Netevent.dll.mui | 6.0.6002.24201 | 233,984 | 09-Sep-2017 | 18:58 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 239,104 | 09-Sep-2017 | 19:09 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 270,336 | 09-Sep-2017 | 19:07 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 289,792 | 09-Sep-2017 | 19:07 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 230,912 | 09-Sep-2017 | 15:32 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 263,168 | 09-Sep-2017 | 18:57 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 229,376 | 09-Sep-2017 | 18:57 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 270,848 | 09-Sep-2017 | 19:09 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 253,440 | 09-Sep-2017 | 19:05 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 262,144 | 09-Sep-2017 | 18:56 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 144,384 | 09-Sep-2017 | 19:10 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 137,216 | 09-Sep-2017 | 19:02 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 229,376 | 09-Sep-2017 | 19:04 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 253,952 | 09-Sep-2017 | 18:58 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 248,320 | 09-Sep-2017 | 19:11 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 253,440 | 09-Sep-2017 | 18:33 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 261,120 | 09-Sep-2017 | 18:35 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 241,152 | 09-Sep-2017 | 18:32 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 231,936 | 09-Sep-2017 | 18:34 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 230,912 | 09-Sep-2017 | 18:24 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 99,840 | 09-Sep-2017 | 18:30 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 101,376 | 09-Sep-2017 | 19:04 | Not applicable |
| Netevent.dll | 6.0.6002.24201 | 17,920 | 09-Sep-2017 | 15:31 | x64 |
| Mrxsmb10.sys | 6.0.6002.24201 | 278,528 | 09-Sep-2017 | 14:35 | x64 |
| Srvnet.sys | 6.0.6002.24201 | 147,968 | 09-Sep-2017 | 14:36 | x64 |
| Srv.sys | 6.0.6002.24201 | 445,440 | 09-Sep-2017 | 14:36 | x64 |
| Srv2.sys | 6.0.6002.24201 | 178,176 | 09-Sep-2017 | 14:36 | x64 |
| Netevent.dll.mui | 6.0.6002.24201 | 241,664 | 09-Sep-2017 | 17:13 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 249,856 | 09-Sep-2017 | 17:10 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 278,528 | 09-Sep-2017 | 17:18 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 299,008 | 09-Sep-2017 | 17:17 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 241,664 | 09-Sep-2017 | 15:33 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 274,432 | 09-Sep-2017 | 17:15 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 237,568 | 09-Sep-2017 | 17:16 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 278,528 | 09-Sep-2017 | 17:14 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 262,144 | 09-Sep-2017 | 17:16 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 270,336 | 09-Sep-2017 | 17:05 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 155,648 | 09-Sep-2017 | 17:14 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 147,456 | 09-Sep-2017 | 17:20 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 237,568 | 09-Sep-2017 | 17:06 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 262,144 | 09-Sep-2017 | 17:08 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 258,048 | 09-Sep-2017 | 17:05 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 262,144 | 09-Sep-2017 | 17:06 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 270,336 | 09-Sep-2017 | 17:17 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 249,856 | 09-Sep-2017 | 17:20 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 241,664 | 09-Sep-2017 | 17:18 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 241,664 | 09-Sep-2017 | 17:24 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 110,592 | 09-Sep-2017 | 17:14 | Not applicable |
| Netevent.dll.mui | 6.0.6002.24201 | 110,592 | 09-Sep-2017 | 17:09 | Not applicable |
| Netevent.dll | 6.0.6002.24201 | 17,920 | 09-Sep-2017 | 15:29 | x86 |
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7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.2 High
AI Score
Confidence
Low
7.8 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
0.799 High
EPSS
Percentile
98.3%
Related for KB4041995