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MS15-073: Vulnerabilities in Windows kernel-mode driver could allow elevation of privilege: July 14, 2015

View products that this article applies to.

Summary

This security update resolves vulnerabilities in Windows that could allow elevation of privilege if an attacker logs on to an affected system and runs a specially crafted application. To learn more about the vulnerabilities, see Microsoft Security Bulletin MS15-073.

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More Information

Important

All future security and nonsecurity 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 update 2919355 on your Windows RT 8.1-based, Windows 8.1-based, or Windows Server 2012 R2-based computer so that you receive future updates.
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.

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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
Get security updates automatically.

Note For Windows RT and Windows RT 8.1, this update is available through Windows Update only.

Method 2: Microsoft Download Center

You can obtain the stand-alone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update.

Click the download link in Microsoft Security Bulletin MS15-073 that corresponds to the version of Windows that you are running.

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More Information

Security update deployment information

Windows Server 2003 (all editions)

Reference Table

The following table contains the security update information for this software.

Security update file names	For all supported 32-bit editions of Windows Server 2003: WindowsServer2003-KB3070102-x86-ENU.exe
	For all supported x64-based editions of Windows Server 2003: WindowsServer2003-KB3070102-x64-ENU.exe
	For all supported Itanium-based editions of Windows Server 2003: WindowsServer2003-KB3070102-ia64-ENU.exe
Installation switches	See Microsoft Knowledge Base Article 934307
Update Log File	KB3070102.log
Restart requirement	Yes, you must restart your system after you apply this security update.
Removal information	Use Add or Remove Programs item in Control Panel or the Spuninst.exe utility located in the %Windir%\$NTUninstallKB3070102$\Spuninst folder
File information	See the file information section.
Registry key verification	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Windows Server 2003\SP3\KB3070102\Filelist

Windows Vista (all editions)

Reference Table

The following table contains the security update information for this software.

Security update file names	For all supported 32-bit editions of Windows Vista: Windows6.0-KB3070102-x86.msu
	For all supported x64-based editions of Windows Vista: Windows6.0-KB3070102-x64.msu
Installation switches	See Microsoft Knowledge Base Article 934307
Restart requirement	Yes, you must restart your system after you apply this security update.
Removal information	WUSA.exe does not support uninstall of updates. To uninstall an update installed by WUSA, click Control Panel, and then click Security. Under Windows Update, click View installed updates and 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 (all editions)

Reference Table

The following table contains the security update information for this software.

Security update file names	For all supported 32-bit editions of Windows Server 2008: Windows6.0-KB3070102-x86.msu
	For all supported x64-based editions of Windows Server 2008: Windows6.0-KB3070102-x64.msu
	For all supported Itanium-based editions of Windows Server 2008: Windows6.0-KB3070102-ia64.msu
Installation switches	See Microsoft Knowledge Base Article 934307
Restart requirement	Yes, you must restart your system after you apply this security update.
Removal information	WUSA.exe does not support uninstall of updates. To uninstall an update installed by WUSA, click Control Panel, and then click Security. Under Windows Update, click View installed updates and 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 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: Windows6.1-KB3070102-x86.msu
	For all supported x64-based editions of Windows 7: Windows6.1-KB3070102-x64.msu
Installation switches	See Microsoft Knowledge Base Article 934307
Restart requirement	Yes, you must restart your system after you apply this security update.
Removal information	To uninstall an update installed by WUSA, use the /Uninstall setup switch or click Control Panel, click System and Security, and then under Windows Update, click View installed updates and 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: Windows6.1-KB3070102-x64.msu
	For all supported Itanium-based editions of Windows Server 2008 R2: Windows6.1-KB3070102-ia64.msu
Installation switches	See Microsoft Knowledge Base Article 934307
Restart requirement	Yes, you must restart your system after you apply this security update.
Removal information	To uninstall an update installed by WUSA, use the /Uninstall setup switch or click Control Panel, click System and Security, and then under Windows Update, click View installed updates and 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: Windows8-RT-KB3070102-x86.msu
	For all supported x64-based editions of Windows 8: Windows8-RT-KB3070102-x64.msu
	For all supported 32-bit editions of Windows 8.1: Windows8.1-KB3070102-x86.msu
	For all supported x64-based editions of Windows 8.1: Windows8.1-KB3070102-x64.msu
Installation switches	See Microsoft Knowledge Base Article 934307
Restart requirement	Yes, you must restart your system after you apply this security update.
Removal information	To uninstall an update installed by WUSA, use the /Uninstall setup switch or click Control Panel, click System and Security, click Windows Update, and then under See also, click Installed updates and 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: Windows8-RT-KB3070102-x64.msu
	For all supported editions of Windows Server 2012 R2: Windows8.1-KB3070102-x64.msu
Installation switches	See Microsoft Knowledge Base Article 934307
Restart requirement	Yes, you must restart your system after you apply this security update.
Removal information	To uninstall an update installed by WUSA, use the /Uninstall setup switch or click Control Panel, click System and Security, click Windows Update, and then under See also, click Installed updates and 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 RT and Windows RT 8.1 (all editions)

Reference Table

The following table contains the security update information for this software.

Deployment	These updates are available via Windows Update only.
Restart Requirement	Yes, you must restart your system after you apply this security update.
Removal Information	Click Control Panel, click System and Security, click Windows Update, and then under See also, click Installed updates and select from the list of updates.
File Information	See the file information section.

File hash information

File name	SHA1 hash	SHA256 hash
Windows6.0-KB3070102-ia64.msu	066B7E1D791D4F28ABCBA715BAB64EBFE99E15E9	6C2F6E179C343F7281C32753026327A0A20786E9255964325383910167CCF02B
Windows6.0-KB3070102-x64.msu	01693DCAA34891C3C86352C9A5F0DF7D864D8BB2	F2CACFE77F6C97D851452B60E3EB1390A0EC90B05ED0DCFEC9934C238D2C15EA
Windows6.0-KB3070102-x86.msu	A3FC452FD3072C2E8958141CEFE590F51CFDA660	1A9AE8DC10CDCE714F4FDBFBD6BAE39E5CD1ACFCF9A82BB040D00E79DF835845
Windows6.1-KB3070102-ia64.msu	5A482794601C0897F948A226B4E88E7BD8224708	2375FF7F1338E1F003FB7519FF0B677851846B6E1B588DBA5DA9BF9DE10D5590
Windows6.1-KB3070102-x64.msu	26CB5B555F2085839F049D7F6716BEDA72E2CDD7	D10F2432AA68F4CAD6D70D71874BDC72D19DF76795D3F33D12AF7D083FED7AA3
Windows6.1-KB3070102-x86.msu	3912FF429134134C58372018456B0B849365AA91	B90370DD9E2772BC1D2B0E210D43366D94110CBEE463ED7D78058CDB188ADC5D
Windows8.1-KB3070102-arm.msu	D8A9BFC6B5CCB2A23AC908B72EBAFB8E595E78C6	EF68D3F5A9CF3031050453F344F8AC3375564C1712AF3D8ED6F4D739C8CFDB2D
Windows8.1-KB3070102-x64.msu	6B6A4C20D50BC183E9E7D825B3021214454F97BA	FC549A24326109D42AA1A89FA2DF9E01370694B0AE590A56FE86DF5DB8C7647F
Windows8.1-KB3070102-x86.msu	F3CD08811FD660DB1B3D5891EF99359A3FD87CF3	04ABF1D54C8F103B6567A7AA7F43397DB62ED5C895720920D6CAF53C62D0BB1F
Windows8-RT-KB3070102-arm.msu	68C0307A380E786C2435F93B3771CC42319BCE76	6F58070F7D47C38FCA42BA2C8DBDFDCAED50C32B06BF6302A6C23D50503D6426
Windows8-RT-KB3070102-x64.msu	99AC1BCA1492597773258AE092FB35BF18A94A99	FDDCB7B6C662BD4C95CF304E7BE31474D617981A0BAA4E91CBC6E71B456712B3
Windows8-RT-KB3070102-x86.msu	CB61CAB6649745B74719295C4AA949D84FA7DCBB	B68CE5E30E44F98ACE1FE2C4136DA9B8A3F498D6400EB54C9A5B047925094DFF
WindowsServer2003-KB3070102-ia64-DEU.exe	B9200A3FC99D6D3EAA2FDCE0FD12AE7E6DA7FAB8	9200E9CE5EB8F17480C125AB68C2001CCE7C3AA2FF2DAE2CEF977EF615071E1B
WindowsServer2003-KB3070102-ia64-ENU.exe	9AAE4830FCD702BDF7AEFEF2784381D2CBB19732	5A995024BFEAD1BC6A4044CC83DD758DEA5E7789CFBFE3B81FBA0033A83DCFCD
WindowsServer2003-KB3070102-ia64-FRA.exe	AE84DFEEA78686EB1EDE3E127B310089EEBC5A76	584C2F7B1A094628957A7E14F3A073EA0082A80D92872263FA5D7A7DE1B4C1E6
WindowsServer2003-KB3070102-ia64-JPN.exe	F23519B41654AE9F94C3C646672DA3BBA31066DB	6627EB07C96906A4C4F18C85E7122A1FB57604A277A1611F5BB3F17EC232BDFD
WindowsServer2003-KB3070102-x64-CHS.exe	B7D5F75364BB00B6FB9C154909FB196D8A2B2798	3BD7FF8B22611EB0D800EBBDC73EBE7EF662B8C9BF2588B4621D204DDD4B5E9A
WindowsServer2003-KB3070102-x64-CHT.exe	3446D6E08FAA46D79871A74D6CD64EF35B15E7B5	172A70E444CD31BBA886BE48B5E8ACE26E9321BB667175FEA078519EC87129CD
WindowsServer2003-KB3070102-x64-DEU.exe	99579FCFDEB0D34F8F524FD05F67A05F317127FB	2E87CF924566DA32647CC60F39D0817AE80B113911847313A999621FC014899B
WindowsServer2003-KB3070102-x64-ENU.exe	DB74FABC7F1F27D17F4875AA5CCBF86C69228E0C	8E14AF32FC79BBC4050AC40E5C7676D65D288F3B377F8D3C83F0B2BB9EA78A3F
WindowsServer2003-KB3070102-x64-ESN.exe	74F138B20B5BB54F41614C71A3269CCE5336CD02	1732FDE5D45278DADD5EFC6BF122451F4453BA558132014D6FE39A60278E2BB6
WindowsServer2003-KB3070102-x64-FRA.exe	8AF1399670271C1CA6030233D810B22F2647748C	9B7873B639A9E1A73A29084189BC91ED4CC0E03D490EAC3BA7A01E7F61A7B7F2
WindowsServer2003-KB3070102-x64-ITA.exe	D8FEB4887F67D0B5CFB9E311D7BF798834A79F62	09BA23C5676C504AEA37466DE177230E55A7B1F9C70295F39035DB320C9195F8
WindowsServer2003-KB3070102-x64-JPN.exe	D4884358B7A762194295BBE07E2FCF4938F50B44	6689B88AD8E67FFD2DD31C24E1651C9A7299A571AADB246ABA09C45BECCFE78B
WindowsServer2003-KB3070102-x64-KOR.exe	5A3D463D02FACFF3F62B15DC4DFE1433C52BA39D	F78778F854CD1B251C723C77596FF22EBE85600EEE60A6FF14C12426A553A2A1
WindowsServer2003-KB3070102-x64-PTB.exe	F2709A7CB563DE1F97E9D77F79D75E79E2E175A8	A73E5880D67CE2E2B5A9C32366C5FC68C9092B494FCB2F08D1093C640FDAD064
WindowsServer2003-KB3070102-x64-RUS.exe	86536FB175440DDD5B163EB4322DD5BD0F16A789	538287C0C238E09563CD50E00C557AF083E1910104508AA053D3B0C20A469D61
WindowsServer2003-KB3070102-x86-CHS.exe	A5D0468E63587B1F3E2C43A3FA606FE4B39465AE	B311D93A7EAD569EAAC2A25B33830444A4A300A7E0F08EFAACB31CB00696A3C2
WindowsServer2003-KB3070102-x86-CHT.exe	D9C7DCAFB1BC9642F19BB62A6062A3B639754737	EA458EE289E01E72B3EFEEEF96252BF3903E2D499E9F6968499EF6F795C065F9
WindowsServer2003-KB3070102-x86-CSY.exe	5199DFF4A1FC6F61883AE565C0A2666352850153	D3740968E0E92A7D019DF2BD391E48150899E5BE615C15578040FB25A9F49DEF
WindowsServer2003-KB3070102-x86-DEU.exe	7BA7114A8B4191A5E28FAD08C758325BD10BEE3E	F67DE60AFA4B7CB3638E0A6046E09FA7701700C8CEB3BC910DCD8993ACEBFDCF
WindowsServer2003-KB3070102-x86-ENU.exe	F5780DF5BB5680184D429C0E2491CBAA59782EFF	A2BE93DF3A44D951850991FB9A6C66C32A248C6D14A5CE9B203A9448F3A74FB6
WindowsServer2003-KB3070102-x86-ESN.exe	C93DC1B38597E7BC3522B9A316E257B98AFF75FE	4337C50E004E722FD53D85C12534E938C3F99D1F2FA07C0A17B67533EFBE0187
WindowsServer2003-KB3070102-x86-FRA.exe	A466CAE7D5D7E6E5ADFFE4EAA2773D3228531D7C	8393E2F3E721131962C4F2E4E8C815AA499ECE0A848B7C0E6F2BA3AB67DC7F5A
WindowsServer2003-KB3070102-x86-HUN.exe	3EB86481EFE82339513AFEAE6448739422BCC785	86689B3323324DCDC4E16AB33C2C566CC8FF983CC65A8488B657EEF691500568
WindowsServer2003-KB3070102-x86-ITA.exe	BDE69641821391EBA9B478ABDA7DB3A2CE1DA843	B11C0389A2DDC92E4A3952345CBFD147E315D1BE8132B422C374C808B3BDE37E
WindowsServer2003-KB3070102-x86-JPN.exe	DF0A1973210C8D00B331E436B60BDC3BF4BF720D	1A33605A72C32B4026CCB0A537454499367821A950E8293C4CC96A7F766AB624
WindowsServer2003-KB3070102-x86-KOR.exe	1ACED25FBD41ADDE7B93A0F9E50A7E7D4ED05BDD	A01A8728C21D5B248DB989DCB231B3BA351578669900EDEF54F912C81795254A
WindowsServer2003-KB3070102-x86-NLD.exe	0E7CCBDE7F17EB9E6E6BF1913C39A0B2E7FD0CDA	E30B460876DA7CBBFD904F82FE2A3FD0CB0461B63D1BA069E55C8E1194A15940
WindowsServer2003-KB3070102-x86-PLK.exe	B2974D75FB4B346C0B77E697BE70B2F569A6CD19	2E5BD9C9A2CABF73EE42371C307AB94F5FA797AD9F58C8C39C07979EFD520391
WindowsServer2003-KB3070102-x86-PTB.exe	DBC961BBBA27F8197D4FA4805A1C049E741809F2	49F2FF2B267A03CCE796323995C87ED8197A76C4337A990E8C440E930EF432D9
WindowsServer2003-KB3070102-x86-PTG.exe	B6C8DD636F507D5A55D63FABBDC172F4C2F6FB33	0706141DC9D2EBB4F3BF39219E5511F2379C37BC3909213F2CD44BFA27038F23
WindowsServer2003-KB3070102-x86-RUS.exe	1F2033D06D6E73CFD86F1B8257662D9D4AD2C3E8	3B54885E65E67916C46B1257E1F956C5A270700EDAE3E474BA21656CAAB7CCA9
WindowsServer2003-KB3070102-x86-SVE.exe	0DC807E813576BF5B3826C496938C9FA52C71D8A	C1193D50FA325284E3E515774F3EC749747FB7A59D42031A0F9C6207EF5A9A61
WindowsServer2003-KB3070102-x86-TRK.exe	3B1DFA452153E2A6819851248A1B04C2F209B033	8CED120C583CB3ECA3C5A5C0919AA4F936D206022CC8E06113603DC6965CA70D

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.

Windows Server 2003 file information

The files that apply to a specific milestone (SPn) and service branch (QFE, GDR) are noted in the "SP requirement" and "Service branch" columns.
GDR service branches contain only those fixes that are widely released to address widespread, critical issues. QFE service branches contain hotfixes in addition to widely released fixes.
In addition to the files that are listed in these tables, this software update also installs an associated security catalog file (KBnumber.cat) that is signed with a Microsoft digital signature.

For all supported x64-based versions of Windows Server 2003

File name	File version	File size	Date	Time	Platform
Win32k.sys	5.2.3790.5667	4,662,784	25-Jun-2015	04:48	x64

For all supported x86-based versions of Windows Server 2003

File name	File version	File size	Date	Time	Platform
Win32k.sys	5.2.3790.5667	1,894,400	25-Jun-2015	04:25	x86

For all supported IA-64-based versions of Windows Server 2003

File name	File version	File size	Date	Time	Platform
Win32k.sys	5.2.3790.5667	5,688,832	25-Jun-2015	04:48	IA-64

Windows Vista and Windows Server 2008 file information

The files that apply to a specific product, milestone (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
6.0.6002.18xxx Windows Vista SP2 and Windows Server 2008 SP2 SP2 GDR
6.0.6002.23xxx Windows Vista SP2 and Windows Server 2008 SP2 SP2 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 Vista and Windows Server 2008

File name	File version	File size	Date	Time	Platform
Win32k.sys	6.0.6002.19429	2,066,432	25-Jun-2015	02:57	x86
Win32k.sys	6.0.6002.23735	2,074,624	25-Jun-2015	02:55	x86

For all supported x64-based versions of Windows Vista and Windows Server 2008

File name	File version	File size	Date	Time	Platform
Win32k.sys	6.0.6002.19429	2,796,032	25-Jun-2015	03:09	x64
Win32k.sys	6.0.6002.23735	2,798,592	25-Jun-2015	03:26	x64

For all supported IA-64-based versions of Windows Server 2008

File name	File version	File size	Date	Time	Platform
Win32k.sys	6.0.6002.19429	6,707,712	25-Jun-2015	02:59	IA-64
Win32k.sys	6.0.6002.23735	6,717,952	25-Jun-2015	02:57	IA-64

Windows 7 and Windows Server 2008 R2 file information

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
Win32k.sys	6.1.7601.18906	2,383,872	25-Jun-2015	08:46	x86
Win32k.sys	6.1.7601.23109	2,392,576	25-Jun-2015	08:29	x86

For all supported x64-based versions of Windows 7 and Windows Server 2008 R2

File name	File version	File size	Date	Time	Platform
Win32k.sys	6.1.7601.18906	3,207,168	25-Jun-2015	08:57	x64
Win32k.sys	6.1.7601.23109	3,210,240	25-Jun-2015	08:49	x64

For all supported IA-64-based versions of Windows Server 2008 R2

File name	File version	File size	Date	Time	Platform
Win32k.sys	6.1.7601.18906	7,505,920	25-Jun-2015	08:17	IA-64
Win32k.sys	6.1.7601.23109	7,513,088	25-Jun-2015	08:06	IA-64

Windows 8 and Windows Server 2012 file information

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
Win32k.ptxml	Not applicable	4,172	11-Oct-2012	00:38	Not applicable
Win32k.sys	6.2.9200.17419	3,391,488	25-Jun-2015	01:53	x86
Win32k.ptxml	Not applicable	4,172	25-Jul-2012	20:33	Not applicable
Win32k.sys	6.2.9200.21528	3,378,688	25-Jun-2015	01:59	x86

For all supported x64-based versions of Windows 8 and Windows Server 2012

File name	File version	File size	Date	Time	Platform
Win32k.ptxml	Not applicable	4,172	11-Oct-2012	00:37	Not applicable
Win32k.sys	6.2.9200.17419	4,064,768	25-Jun-2015	01:54	x64
Win32k.ptxml	Not applicable	4,172	25-Jul-2012	20:29	Not applicable
Win32k.sys	6.2.9200.21528	4,062,208	25-Jun-2015	01:58	x64
Wow64_win32k.ptxml	Not applicable	4,172	12-Feb-2013	00:14	Not applicable
Wow64_win32k.ptxml	Not applicable	4,172	12-Feb-2013	00:09	Not applicable

Windows 8.1 and Windows Server 2012 R2 file information

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
6.3.920 0.16 xxx Windows 8.1 and Windows Server 2012 R2 RTM GDR
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 8.1

File name	File version	File size	Date	Time	Platform
Win32k.ptxml	Not applicable	4,213	21-Aug-2013	23:39	Not applicable
Win32k.sys	6.3.9600.17915	3,531,776	25-Jun-2015	02:29	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
Win32k.ptxml	Not applicable	4,213	22-Aug-2013	06:44	Not applicable
Win32k.sys	6.3.9600.17915	4,177,920	25-Jun-2015	02:31	x64
Wow64_win32k.ptxml	Not applicable	4,213	21-Aug-2013	23:39	Not applicable

How to obtain help and support for this security update

Help for installing updates: Support for Microsoft Update

Security solutions for IT professionals: TechNet Security Troubleshooting and Support

Help for protecting your Windows-based computer from viruses and malware: Virus Solution and Security Center

Local support according to your country: International Support

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Applies to:

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Keywords: kb, atdownload, kbbug, kbexpertiseinter, kbfix, kblangall, kbmustloc, kbsecbulletin, kbsecreview, kbsecurity, kbsecvulnerability, kbsurveynew

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Article Info

Article ID	:	3070102
Revision	:	1
Created on	:	1/7/2017
Published on	:	7/14/2015
Exists online	:	False
Views	:	271