MS15-092: Vulnerabilities in the .NET Framework could allow elevation of privilege: August 11, 2015


View products that this article applies to.

Summary

This security update resolves vulnerabilities in the Microsoft .NET Framework that could allow elevation of privilege if a user runs a specially crafted .NET Framework application. To learn more about the vulnerability, see Microsoft Security Bulletin MS15-092.

Additional information about this security update


The following articles contain additional information about this security update as it relates to individual product versions. The articles may contain known issue information.

  • 3083185 MS15-092: Description of the security update for the .NET Framework 4.6 on Windows 8.1 and Windows Server 2012 R2: August 11, 2015

  • 3083184 MS15-092: Description of the security update for the .NET Framework 4.6 on Windows 8 and Windows Server 2012: August 11, 2015

  • 3083186 MS15-092: Description of the security update for the .NET Framework 4.6 on Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1, Windows Vista Service Pack 2, and Windows Server 2008 Service Pack 2: August 11, 2015

Windows Vista (all editions)Reference Table

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

Security update file names

For Microsoft .NET Framework 4.6 when installed on all supported 32-bit editions of Windows Vista:
NDP46-KB3083186-x86.exe

For Microsoft .NET Framework 4.6 when installed on all supported x64-based editions of Windows Vista:
NDP46-KB3083186-x64.exe

Installation switches

See Microsoft Knowledge Base Article 2844699

Update log file

For Microsoft .NET Framework 4.6:
KB3083186_*_*-Microsoft .NET Framework 4.6-MSP0.txt
KB3083186_*_*.html

Restart requirement

This update does not require a restart. The installer stops the required services, applies the update, and then restarts the services. However, if the required services cannot be stopped for any reason, or if required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart.

Removal information

Click Control Panel, and then click Security. Under Windows Update, click View installed updates, and select from the list of updates.

File information

See Microsoft Knowledge Base Article 3083186

Registry key verification

For Microsoft .NET Framework 4.6:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Microsoft .NET Framework 4.6\KB3083186
"ThisVersionInstalled" = "Y"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Microsoft .NET Framework 4.6\KB3083186
"ThisVersionInstalled" = "Y"

Windows Server 2008 (all editions)Reference Table

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

Security update file names

For Microsoft .NET Framework 4.6 when installed on all supported 32-bit editions of Windows Server 2008 Service Pack 2:
NDP46-KB3083186-x86.exe

For Microsoft .NET Framework 4.6 when installed on all supported x64-based editions of Windows Server 2008 Service Pack 2:
NDP46-KB3083186-x64.exe

Installation switches

See Microsoft Knowledge Base Article 2844699

Update log file

For Microsoft .NET Framework 2.0 Service Pack 2:
Not applicable

For Microsoft .NET Framework 4.6:
KB3083186_*_*-Microsoft .NET Framework 4.6-MSP0.txt
KB3083186_*_*.html

Restart requirement

This update does not require a restart. The installer stops the required services, applies the update, and then restarts the services. However, if the required services cannot be stopped for any reason, or if required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart.

Removal information

Click Control Panel, and then click Security. Under Windows Update, click View installed updates and select from the list of updates.

File information

See Microsoft Knowledge Base Article 3086251

Registry key verification

For Microsoft .NET Framework 4.6:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Microsoft .NET Framework 4.6\KB3083186
"ThisVersionInstalled" = "Y"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Microsoft .NET Framework 4.6\KB3083186
"ThisVersionInstalled" = "Y"

Windows 7 (all editions)Reference Table

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

Inclusion in Future Service Packs

The update for this issue will be included in a future service pack or update rollup.

Security update file name

For Microsoft .NET Framework 4.6 when installed on all supported 32-bit editions of Windows 7 Service Pack 1:
NDP46-KB3083186-x86.exe

For Microsoft .NET Framework 4.6 when installed on all supported x64-based editions of Windows 7 Service Pack 1:
NDP46-KB3083186-x64.exe

Installation switches

See Microsoft Knowledge Base Article 2844699

Update log file

For Microsoft .NET Framework 4.6:
KB3083186_*_*-Microsoft .NET Framework 4.6-MSP0.txt
KB3083186_*_*.html

Restart requirement

This update does not require a restart. The installer stops the required services, applies the update, and then restarts the services. However, if the required services cannot be stopped for any reason, or if required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart.

Removal information

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 Microsoft Knowledge Base Article 3086251

Registry key verification

For Microsoft .NET Framework 4.6:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Microsoft .NET Framework 4.6\KB3083186
"ThisVersionInstalled" = "Y"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Microsoft .NET Framework 4.6\KB3083186
"ThisVersionInstalled" = "Y"

Windows Server 2008 R2 (all editions)Reference Table

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

Inclusion in Future Service Packs

The update for this issue will be included in a future service pack or update rollup.

Security update file name

For Microsoft .NET Framework 4.6 when installed on all supported x64-based editions of Windows Server 2008 R2 Service Pack 1:
NDP46-KB3083186-x64.exe

Installation switches

See Microsoft Knowledge Base Article 2844699

Update log file

For Microsoft .NET Framework 4.6:
KB3083186_*_*-Microsoft .NET Framework 4.6-MSP0.txt
KB3083186_*_*.html

Restart requirement

This update does not require a restart. The installer stops the required services, applies the update, and then restarts the services. However, if the required services cannot be stopped for any reason, or if required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart.

Removal information

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 Microsoft Knowledge Base Article 3086251

Registry key verification

For Microsoft .NET Framework 4.6:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Microsoft .NET Framework 4.6\KB3083186
"ThisVersionInstalled" = "Y"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Microsoft .NET Framework 4.6\KB3083186
"ThisVersionInstalled" = "Y"

Windows 8 and Windows 8.1 (all editions)Reference Table

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

Inclusion in Future Service Packs

The update for this issue will be included in a future service pack or update rollup.

Security update file name

For Microsoft .NET Framework 4.6 when installed on Windows 8 for 32-bit Systems:
Windows8-RT-KB3083184-x86.msu

For Microsoft .NET Framework 4.6 when installed on Windows 8 for x64-based Systems:
Windows8-RT-KB3083184-x64.msu

For Microsoft .NET Framework 4.6 when installed on Windows 8.1 for 32-bit Systems:
Windows8.1-KB3083185-x86.msu

For Microsoft .NET Framework 4.6 when installed on Windows 8.1 for x64-based Systems:
Windows8.1-KB3083185-x64.msu

Installation switches

See Microsoft Knowledge Base Article 2844699

Restart requirement

This update does not require a restart. The installer stops the required services, applies the update, and then restarts the services. However, if the required services cannot be stopped for any reason, or if required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart.

Removal information

Click Control Panel, click System and Security, and then under Windows Update, click View update history and select from the list of updates.

File information

See Microsoft Knowledge Base Article 3086251

Registry key verification

For Microsoft .NET Framework 4.6:
Note A registry key does not exist to validate the presence of this update. Use WMI to detect for 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.

Inclusion in Future Service Packs

The update for this issue will be included in a future service pack or update rollup.

Security update file name

For Microsoft .NET Framework 4.6 when installed on Windows Server 2012:
Windows8-RT-KB3083184-x64.msu

For Microsoft .NET Framework 4.6 when installed on Windows Server 2012 R2:
Windows8.1-KB3083185-x64.msu

Installation switches

See Microsoft Knowledge Base Article 2844699

Restart requirement

This update does not require a restart. The installer stops the required services, applies the update, and then restarts the services. However, if the required services cannot be stopped for any reason, or if required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart.

Removal information

Click Control Panel, click System and Security, and then under Windows Update, click View update history and select from the list of updates.

File information

See Microsoft Knowledge Base Article 3086251

Registry key verification

Note A registry key does not exist to validate the presence of this update. Use WMI to detect for 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

For Microsoft .NET Framework 4.6 when installed on Windows RT:
The 3083184 update is available via Windows Update.

For Microsoft .NET Framework 4.6 when installed on Windows RT 8.1:
The 3083185 update is available via Windows Update.

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 Microsoft Knowledge Base Article 3086251

Windows 10 (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 10:
KB3081436-Win10-RTM-X86-TSL.msu

For all supported x64-based editions of Windows 10:
KB3081436-Win10-RTM-X64-TSL.msu

Installation switches

See Microsoft Knowledge Base Article 934307

Restart requirement

This update does not require a restart. The installer stops the required services, applies the update, and then restarts the services. However, if the required services cannot be stopped for any reason, or if required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart.

Removal information

To remove this update, use the Programs and Features item in Control Panel.

File information

See Microsoft Knowledge Base Article 3086251

Registry key verification

Note A registry key does not exist to validate the presence of this update.


File name

SHA1 hash

SHA256 hash

NDP46-KB3083186-x64.exe

5DBB2EF7C8ED3061E6C5AB58C3DF15B8F78FD73C

BF850AFC7E7987D513FD2C19C9398D014BCBAAEB1691357FA0400529975EDACE

NDP46-KB3083186-x86.exe

3DCD27C411DCA9C597AAF33ADF152AF2FB36A1D8

41E675937D023828D648C7A245E19695ED12F890C349D8B6F2B620E6E58E038E

Windows8.1-KB3083185-arm.msu

369EF428B79F538EF99AC21F91B28AFE9B62557D

E123BAAF2EB4E92BEF420BCC6D5DE861ADAACF13E8FF2C2FAE45AFD25A74CA21

Windows8.1-KB3083185-x64.msu

864EA0E76C9912C619C4904C3FEF85E8A4692B04

7F75909608907749C6B1DE4F1EE461AE937772145A0921B32AB8B78AF790A1BF

Windows8.1-KB3083185-x86.msu

1F28F27D559C0403D92F1F6434976E6F91187D06

359D741ED99A5B3E846221099C2AAA67C7A8B1E599E7597531A84806CE68D987

Windows8-RT-KB3083184-arm.msu

91321AF416E297861D883BF5460F0D6ABD153A13

899FA188297A7024B887A23AE03A648E57F7C2D95331F2D0A4AE79D15F8AC46F

Windows8-RT-KB3083184-x64.msu

D9A1CBB1CCDDED94F1AAA4B2C8202B314B7723E4

6B685ECD2C996FF55265F53994FB53063A2665257FA194AFA2FC14C3974B574C

Windows8-RT-KB3083184-x86.msu

C2D56AF98D2C147185737F2FD83133A9EDEE582C

F59208F6E9C1E45C099F59E78D69C0354E2A9B9012BF345B7E3940FF1743A7B6


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