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MS15-102: Description of the security update for Windows Task Management: September 8, 2015

Summary
This security update resolves vulnerabilities in Windows that could allow elevation of privilege if an attacker logs on to a system and runs a specially crafted application.

To learn more about the vulnerabilities, see Microsoft Security Bulletin MS15-102.
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.
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.
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 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 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:
    VersionProductMilestoneService branch
    6.0.6002.19xxxWindows Vista SP2 and Windows Server 2008 SP2SP2GDR
    6.0.6002.23xxxWindows Vista SP2 and Windows Server 2008 SP2SP2LDR
  • 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 nameFile versionFile sizeDateTimePlatform
Tmm.dll6.0.6002.237741,298,43205-Aug-201515:32x86
Hashcleanup.exe6.0.6002.183429,72804-Nov-201016:33x86
Hashcleanup.exe6.0.6002.237749,72805-Aug-201514:18x86
Taskeng.exe6.0.6002.18342171,52004-Nov-201016:34x86
Taskeng.mofNot applicable2,25403-Apr-200921:38Not applicable
Taskeng.exe6.0.6002.23774171,52005-Aug-201514:18x86
Taskeng.mofNot applicable2,25407-May-201423:50Not applicable
Schedsvc.dll6.0.6002.19465602,11205-Aug-201515:59x86
Schedsvc.mofNot applicable2,25003-Apr-200921:38Not applicable
Schedsvc.dll6.0.6002.23774603,13605-Aug-201515:32x86
Schedsvc.mofNot applicable2,25007-May-201423:50Not applicable
Wmicmiplugin.dll6.0.6002.18342345,60004-Nov-201018:56x86
Wmicmiplugin.dll6.0.6002.23774346,11205-Aug-201515:33x86

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

File nameFile versionFile sizeDateTimePlatform
Tmm.dll6.0.6002.237741,319,42405-Aug-201515:40x64
Hashcleanup.exe6.0.6002.1834210,24004-Nov-201023:58x64
Hashcleanup.exe6.0.6002.2377410,24005-Aug-201514:46x64
Taskeng.exe6.0.6002.18342267,77604-Nov-201023:58x64
Taskeng.mofNot applicable2,25403-Apr-200921:40Not applicable
Taskeng.exe6.0.6002.23774268,28805-Aug-201514:46x64
Taskeng.mofNot applicable2,25407-May-201423:52Not applicable
Schedsvc.dll6.0.6002.19465855,55205-Aug-201515:43x64
Schedsvc.mofNot applicable2,25003-Apr-200921:40Not applicable
Schedsvc.dll6.0.6002.23774857,08805-Aug-201515:40x64
Schedsvc.mofNot applicable2,25007-May-201423:52Not applicable
Wmicmiplugin.dll6.0.6002.18342500,22406-Nov-201011:18x64
Wmicmiplugin.dll6.0.6002.23774500,73605-Aug-201515:41x64
Schedsvc.mofNot applicable2,25007-May-201423:45Not applicable
Schedsvc.mofNot applicable2,25007-May-201423:50Not applicable
Tmm.dll6.0.6002.237741,298,43205-Aug-201515:32x86
Taskeng.exe6.0.6002.18342171,52004-Nov-201016:34x86
Taskeng.mofNot applicable2,25403-Apr-200921:38Not applicable
Taskeng.exe6.0.6002.23774171,52005-Aug-201514:18x86
Taskeng.mofNot applicable2,25407-May-201423:50Not applicable

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

File nameFile versionFile sizeDateTimePlatform
Hashcleanup.exe6.0.6002.1834220,48004-Nov-201017:10IA-64
Hashcleanup.exe6.0.6002.2377420,48005-Aug-201514:24IA-64
Taskeng.exe6.0.6002.18342523,26404-Nov-201017:10IA-64
Taskeng.mofNot applicable2,25403-Apr-200921:42Not applicable
Taskeng.exe6.0.6002.23774523,26405-Aug-201514:24IA-64
Taskeng.mofNot applicable2,25407-May-201423:52Not applicable
Schedsvc.dll6.0.6002.194651,416,19205-Aug-201515:20IA-64
Schedsvc.mofNot applicable2,25003-Apr-200921:42Not applicable
Schedsvc.dll6.0.6002.237741,419,26405-Aug-201515:02IA-64
Schedsvc.mofNot applicable2,25007-May-201423:52Not applicable
Wmicmiplugin.dll6.0.6002.18342986,62404-Nov-201019:26IA-64
Wmicmiplugin.dll6.0.6002.23774986,62405-Aug-201515:03IA-64
Schedsvc.mofNot applicable2,25007-May-201423:45Not applicable
Schedsvc.mofNot applicable2,25007-May-201423:50Not applicable
Taskeng.exe6.0.6002.18342171,52004-Nov-201016:34x86
Taskeng.mofNot applicable2,25403-Apr-200921:38Not applicable
Taskeng.exe6.0.6002.23774171,52005-Aug-201514:18x86
Taskeng.mofNot applicable2,25407-May-201423:50Not applicable

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:
    VersionProductMilestoneService branch
    6.1.7601.18xxxWindows 7 and Windows Server 2008 R2SP1GDR
    6.1.7601.22xxxWindows 7 and Windows Server 2008 R2SP1LDR
  • 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 nameFile versionFile sizeDateTimePlatform
D61d61c8-d73a-4eee-8cdd-f6f9786b7124.xmlNot applicable3,18803-Jun-201520:20Not applicable
Schedsvc.dll6.1.7601.18951751,10405-Aug-201517:41x86
Schedsvc.mofNot applicable2,68403-Jun-201520:20Not applicable
D61d61c8-d73a-4eee-8cdd-f6f9786b7124.xmlNot applicable3,18803-Jun-201520:19Not applicable
Schedsvc.dll6.1.7601.23154751,61605-Aug-201517:37x86
Schedsvc.mofNot applicable2,68403-Jun-201520:19Not applicable

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

File nameFile versionFile sizeDateTimePlatform
D61d61c8-d73a-4eee-8cdd-f6f9786b7124.xmlNot applicable3,18803-Jun-201520:20Not applicable
Schedsvc.dll6.1.7601.189511,110,01605-Aug-201517:56x64
Schedsvc.mofNot applicable2,68403-Jun-201520:20Not applicable
D61d61c8-d73a-4eee-8cdd-f6f9786b7124.xmlNot applicable3,18803-Jun-201520:20Not applicable
Schedsvc.dll6.1.7601.231541,110,52805-Aug-201518:04x64
Schedsvc.mofNot applicable2,68403-Jun-201520:20Not applicable
Schedsvc.mofNot applicable2,68403-Jun-201520:20Not applicable
Schedsvc.mofNot applicable2,68403-Jun-201520:19Not applicable

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

File nameFile versionFile sizeDateTimePlatform
D61d61c8-d73a-4eee-8cdd-f6f9786b7124.xmlNot applicable3,18803-Jun-201520:17Not applicable
Schedsvc.dll6.1.7601.189511,775,10405-Aug-201517:06IA-64
Schedsvc.mofNot applicable2,68403-Jun-201520:17Not applicable
D61d61c8-d73a-4eee-8cdd-f6f9786b7124.xmlNot applicable3,18803-Jun-201520:17Not applicable
Schedsvc.dll6.1.7601.231541,776,12805-Aug-201517:07IA-64
Schedsvc.mofNot applicable2,68403-Jun-201520:17Not applicable
Schedsvc.mofNot applicable2,68403-Jun-201520:20Not applicable
Schedsvc.mofNot applicable2,68403-Jun-201520:19Not applicable

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:
    VersionProductMilestoneService branch
    6.2.920 0.16 xxxWindows 8 and Windows Server 2012RTMGDR
    6.2.920 0.20 xxxWindows 8 and Windows Server 2012RTMLDR
  • 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 nameFile versionFile sizeDateTimePlatform
D61d61c8-d73a-4eee-8cdd-f6f9786b7124.xmlNot applicable3,18802-Jun-201214:32Not applicable
Schedsvc.dll6.2.9200.17465944,64005-Aug-201515:03x86
Schedsvc.mofNot applicable2,68402-Jun-201214:32Not applicable
Schedsvc.ptxmlNot applicable1,09925-Jul-201220:33Not applicable
D61d61c8-d73a-4eee-8cdd-f6f9786b7124.xmlNot applicable3,18802-Jun-201214:32Not applicable
Schedsvc.dll6.2.9200.21579944,64005-Aug-201515:17x86
Schedsvc.mofNot applicable2,68402-Jun-201214:32Not applicable
Schedsvc.ptxmlNot applicable1,09925-Jul-201220:33Not applicable

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

File nameFile versionFile sizeDateTimePlatform
D61d61c8-d73a-4eee-8cdd-f6f9786b7124.xmlNot applicable3,18802-Jun-201214:33Not applicable
Schedsvc.dll6.2.9200.174651,287,68005-Aug-201513:52x64
Schedsvc.mofNot applicable2,68402-Jun-201214:33Not applicable
Schedsvc.ptxmlNot applicable1,09925-Jul-201220:30Not applicable
D61d61c8-d73a-4eee-8cdd-f6f9786b7124.xmlNot applicable3,18802-Jun-201214:33Not applicable
Schedsvc.dll6.2.9200.215791,284,60805-Aug-201514:25x64
Schedsvc.mofNot applicable2,68402-Jun-201214:33Not applicable
Schedsvc.ptxmlNot applicable1,09925-Jul-201220:30Not applicable
Schedsvc.mofNot applicable2,68402-Jun-201214:32Not applicable
Wow64_schedsvc.ptxmlNot applicable1,09925-Jul-201220:33Not applicable
Schedsvc.mofNot applicable2,68402-Jun-201214:32Not applicable
Wow64_schedsvc.ptxmlNot applicable1,09925-Jul-201220:33Not 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:
    VersionProductMilestoneService branch
    6.3.920 0.16 xxxWindows 8.1 and Windows Server 2012 R2RTMGDR
  • 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 nameFile versionFile sizeDateTimePlatform
Schtasks.exe6.3.9600.18001182,78401-Aug-201503:45x86
Taskeng.exe6.3.9600.18001359,93601-Aug-201503:37x86
D61d61c8-d73a-4eee-8cdd-f6f9786b7124.xmlNot applicable3,18818-Jun-201312:38Not applicable
Schedsvc.dll6.3.9600.180011,015,80801-Aug-201503:38x86
Schedsvc.mofNot applicable2,68418-Jun-201312:38Not applicable
Schedsvc.ptxmlNot applicable1,09921-Aug-201323:39Not applicable

For all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2

File nameFile versionFile sizeDateTimePlatform
Schtasks.exe6.3.9600.18001229,37601-Aug-201503:47x64
Taskeng.exe6.3.9600.18001468,99201-Aug-201503:37x64
D61d61c8-d73a-4eee-8cdd-f6f9786b7124.xmlNot applicable3,18818-Jun-201315:04Not applicable
Schedsvc.dll6.3.9600.180011,265,15201-Aug-201503:38x64
Schedsvc.mofNot applicable2,68418-Jun-201315:04Not applicable
Schedsvc.ptxmlNot applicable1,09922-Aug-201306:45Not applicable
Schedsvc.mofNot applicable2,68418-Jun-201312:38Not applicable
Wow64_schedsvc.ptxmlNot applicable1,09921-Aug-201323:39Not applicable
Schtasks.exe6.3.9600.18001182,78401-Aug-201503:45x86
Taskeng.exe6.3.9600.18001359,93601-Aug-201503:37x86

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
malicious attacker exploit
Properties

Article ID: 3084135 - Last Review: 09/08/2015 17:18:00 - Revision: 1.0

Windows Server 2012 R2 Datacenter, Windows Server 2012 R2 Standard, Windows Server 2012 R2 Essentials, Windows Server 2012 R2 Foundation, , , , Windows RT 8.1, Windows Server 2012 Datacenter, Windows Server 2012 Standard, Windows Server 2012 Essentials, Windows Server 2012 Foundation, Windows 8 Enterprise, Windows 8 Pro, Windows 8, Windows RT, Windows Server 2008 R2 Service Pack 1, Windows 7 Service Pack 1, Windows Server 2008 Service Pack 2, Windows Vista Service Pack 2

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