Summary
This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if an attacker sends a specially crafted HTTP request to an affected Windows system. The security update addresses the vulnerability by modifying how the Windows HTTP stack handles requests.
Introduction
Microsoft has released security bulletin MS15-034. To learn more about this security bulletin:
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Home users:
https://www.microsoft.com/security/pc-security/updates.aspxSkip the details: Download the updates for your home computer or laptop from the Microsoft Update website now:
-
IT professionals:
How to obtain help and support for this security update
Help installing updates:
Support for Microsoft Update
Security solutions for IT professionals:
TechNet Security Troubleshooting and Support
Help protect your Windows-based computer from viruses and malware:
Virus Solution and Security Center
Local support according to your country:
International Support
More Information
Important All future security and non-security 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 2919355 on your Windows RT 8.1-based, Windows 8.1-based, or Windows Server 2012 R2-based computer in order to receive continued future updates.
Windows 7 (all editions)Reference Table
The following table contains the security update information for this software.
|
Security update file name |
For all supported 32-bit editions of Windows 7: |
|
|
For all supported x64-based editions of Windows 7: |
|
Installation switches |
|
|
Restart requirement |
Yes, you must restart your system after you apply this security update. |
|
Removal information |
To uninstall an update that is installed by WUSA, use the /Uninstall setup switch. Or, click Control Panel, click System and Security, and under Windows Update, click View installed updates, and then select from the list of updates. |
|
File information |
See the file information section. |
|
Registry key verification |
Note A registry key does not exist to validate the presence of this update. |
Windows Server 2008 R2 (all editions)Reference Table
The following table contains the security update information for this software.
|
Security update file name |
For all supported x64-based editions of Windows Server 2008 R2: |
|
|
For all supported Itanium-based editions of Windows Server 2008 R2: |
|
Installation switches |
|
|
Restart requirement |
Yes, you must restart your system after you apply this security update. |
|
Removal information |
To uninstall an update that is installed by WUSA, use the /Uninstall setup switch. Or, click Control Panel, click System and Security, click Windows Update, and under See also, click Installed updates, and then select from the list of updates. |
|
File information |
See the file information section. |
|
Registry key verification |
Note A registry key does not exist to validate the presence of this update. |
Windows 8 and Windows 8.1 (all editions)Reference Table
The following table contains the security update information for this software.
|
Security update file name |
For all supported 32-bit editions of Windows 8: |
|
|
For all supported x64-based editions of Windows 8: |
|
|
For all supported 32-bit editions of Windows 8.1: |
|
|
For all supported x64-based editions of Windows 8.1: |
|
Installation switches |
|
|
Restart requirement |
Yes, you must restart your system after you apply this security update. |
|
Removal information |
To uninstall an update that is installed by WUSA, use the /Uninstall setup switch. Or, click Control Panel, click System and Security, click Windows Update, and under See also, click Installed updates, and then select from the list of updates. |
|
File information |
See the file information section. |
|
Registry key verification |
Note A registry key does not exist to validate the presence of this update. |
Windows Server 2012 and Windows Server 2012 R2 (all editions)Reference Table
The following table contains the security update information for this software.
|
Security update file name |
For all supported editions of Windows Server 2012: |
|
|
For all supported editions of Windows Server 2012 R2: |
|
Installation switches |
|
|
Restart requirement |
Yes, you must restart your system after you apply this security update. |
|
Removal information |
To uninstall an update that is installed by WUSA, use the /Uninstall setup switch. Or, click Control Panel, click System and Security, click Windows Update, and under See also, click Installed updates, and then select from the list of updates. |
|
File information |
See the file information section. |
|
Registry key verification |
Note A registry key does not exist to validate the presence of this update. |
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 and with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.
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The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
Version
Product
Milestone
Service branch
6.1.7601.18xxx
Windows 7 and Windows Server 2008 R2
SP1
GDR
6.1.7601.22xxx
Windows 7 and Windows Server 2008 R2
SP1
LDR
-
GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
Note The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.
For all supported x86-based versions of Windows 7
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Http.sys |
6.1.7601.18772 |
514,560 |
25-Feb-2015 |
03:03 |
x86 |
|
Http.sys |
6.1.7601.22976 |
514,560 |
24-Feb-2015 |
05:59 |
x86 |
For all supported x64-based versions of Windows 7 and Windows Server 2008 R2
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Http.sys |
6.1.7601.18772 |
754,688 |
25-Feb-2015 |
03:18 |
x64 |
|
Http.sys |
6.1.7601.22976 |
754,688 |
24-Feb-2015 |
06:06 |
x64 |
For all supported IA-64-based versions of Windows Server 2008 R2
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Http.sys |
6.1.7601.18772 |
1,442,816 |
25-Feb-2015 |
02:38 |
IA-64 |
|
Http.sys |
6.1.7601.22976 |
1,443,840 |
24-Feb-2015 |
05:37 |
IA-64 |
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The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
Version
Product
Milestone
Service branch
6.2.920 0.16 xxx
Windows 8 and Windows Server 2012
RTM
GDR
6.2.920 0.20 xxx
Windows 8 and Windows Server 2012
RTM
LDR
-
GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
Note The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.
For all supported x86-based versions of Windows 8
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Http.sys |
6.2.9200.17285 |
641,024 |
24-Feb-2015 |
07:11 |
x86 |
|
Http.sys |
6.2.9200.21401 |
641,024 |
24-Feb-2015 |
06:38 |
x86 |
For all supported x64-based versions of Windows 8 and Windows Server 2012
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Http.sys |
6.2.9200.17285 |
861,696 |
24-Feb-2015 |
07:58 |
x64 |
|
Http.sys |
6.2.9200.21401 |
859,648 |
24-Feb-2015 |
07:51 |
x64 |
For all supported x86-based versions of Windows 8.1
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Http.sys |
6.3.9600.17712 |
738,112 |
24-Feb-2015 |
08:20 |
x86 |
For all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Http.sys |
6.3.9600.17712 |
991,552 |
24-Feb-2015 |
08:32 |
x64 |
|
Package Name |
Package Hash SHA1 |
Package Hash SHA2 |
|
Windows6.1-KB3042553-ia64.msu |
B14B012147CCB57989C644FE76BADDB2AC547E75 |
B7E6DC02E5B7B02F29410D33576D72D59E7D447B16D1A77AE75CF7967CEFD9AE |
|
Windows6.1-KB3042553-ia64.msu |
B14B012147CCB57989C644FE76BADDB2AC547E75 |
B7E6DC02E5B7B02F29410D33576D72D59E7D447B16D1A77AE75CF7967CEFD9AE |
|
Windows6.1-KB3042553-x64.msu |
5692CC4EA7937ECD6053C76D705C1C3D9F58AFDB |
F40C605801F06D9EE6AD5E676DDDB95B639DB192C11336477546081D33DCE683 |
|
Windows6.1-KB3042553-x64.msu |
5692CC4EA7937ECD6053C76D705C1C3D9F58AFDB |
F40C605801F06D9EE6AD5E676DDDB95B639DB192C11336477546081D33DCE683 |
|
Windows6.1-KB3042553-x86.msu |
7B7046B3F0C498579B9C9FC2C6F4F774B052D8F8 |
9668979847C98069B7BABFDC8CBFC687E144F1C93B5F418455FF490C701F1C1C |
|
Windows6.1-KB3042553-x86.msu |
7B7046B3F0C498579B9C9FC2C6F4F774B052D8F8 |
9668979847C98069B7BABFDC8CBFC687E144F1C93B5F418455FF490C701F1C1C |
|
Windows8.1-KB3042553-x64.msu |
58A4C0BBDE72C3EB63DDD76D43F9EF63D70EC168 |
BCDAA1DC9F5F394E91EE19EC79E974C1CC8DBD9F5BF3CB2A4DD0E6850DF41E1B |
|
Windows8.1-KB3042553-x64.msu |
58A4C0BBDE72C3EB63DDD76D43F9EF63D70EC168 |
BCDAA1DC9F5F394E91EE19EC79E974C1CC8DBD9F5BF3CB2A4DD0E6850DF41E1B |
|
Windows8.1-KB3042553-x86.msu |
6370BB756C13DB47BE2BC7333E0A0683BAA0D932 |
412E7106A0CA4D576B9673008ED5463018A22ACE467D6B984BEF283DF12DA7A2 |
|
Windows8.1-KB3042553-x86.msu |
6370BB756C13DB47BE2BC7333E0A0683BAA0D932 |
412E7106A0CA4D576B9673008ED5463018A22ACE467D6B984BEF283DF12DA7A2 |
|
Windows8-RT-KB3042553-x64.msu |
9D3E6633BAF02066B2FA1511E506DEDDE3823FF1 |
CCE6C76BEDF650C2AEC474D3C73B3087180B366328D2F3D40C70F518C55E1DC6 |
|
Windows8-RT-KB3042553-x64.msu |
9D3E6633BAF02066B2FA1511E506DEDDE3823FF1 |
CCE6C76BEDF650C2AEC474D3C73B3087180B366328D2F3D40C70F518C55E1DC6 |
|
Windows8-RT-KB3042553-x86.msu |
B525D5E84EF23940531910290EE63D7F0BFB635E |
ABDF2D2C5F74518FF160E0596C7DC6BD3CEB4F5D1452ACC510BE426155B4D206 |
|
Windows8-RT-KB3042553-x86.msu |
B525D5E84EF23940531910290EE63D7F0BFB635E |
ABDF2D2C5F74518FF160E0596C7DC6BD3CEB4F5D1452ACC510BE426155B4D206 |
