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mskbMicrosoftKB4344146
HistoryAug 14, 2018 - 7:00 a.m.

Description of the Security and Quality Rollup for .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, and 4.7.2 for Windows 7 SP1 and Server 2008 R2 SP1, and for .NET Framework 4.6 for Server 2008 SP2 (KB 4344146)

2018-08-1407:00:00
Microsoft
support.microsoft.com
13

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8 High

AI Score

Confidence

High

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.027 Low

EPSS

Percentile

90.3%

Description of the Security and Quality Rollup for .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, and 4.7.2 for Windows 7 SP1 and Server 2008 R2 SP1, and for .NET Framework 4.6 for Server 2008 SP2 (KB 4344146)

Summary

This security update resolves an information disclosure vulnerability in Microsoft .NET Framework that could allow an attacker to access information in multi-tenant environments. The vulnerability is caused when .NET Framework is used in high-load/high-density network connections in which content from one stream can blend into another stream.To exploit the vulnerability, an attacker who can access one tenant in a high-load/high-density environment could potentially trigger multi-tenanted data exposure from one customer to another.This security update addresses the vulnerability by correcting the way that .NET Framework handles high-load/high-density network connections.To learn more about this vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2018-8360.Important

  • All updates for .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, and 4.7.2 require the d3dcompiler_47.dll update to be installed. We recommend that you install the included d3dcompiler_47.dll update before you apply this update. For more information about the d3dcompiler_47.dll update, see KB 4019990 for Windows 7 SP1 and Windows Server 2008 R2 SP1. Or, see KB 4019478 for Windows Server 2008 SP2.
  • 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.

Additional information about this security update

For more information about this security update as it relates to Windows 7 Service Pack 1 (SP1) and Windows Server 2008 R2 SP1, see the following article in the Microsoft Knowledge Base:4345590 Security and Quality Rollup updates for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, and 4.7.2 for Windows 7 SP1 and Server 2008 R2 SP1 (KB 4345590)For more information about this security update as it relates to Windows Server 2008, see the following article in the Microsoft Knowledge Base:4345593 Security and Quality updates for .NET Framework 2.0 SP2, 3.0 SP2, 4.5.2, and 4.6 for Windows Server 2008 SP2 (KB 4345593)

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 get security updates automatically, see Windows Update: FAQ.

Method 2: Windows Software Update Services (WSUS)

On your WSUS server, follow these steps:

  1. Click Start, clickAdministrative Tools, and then clickMicrosoft Windows Server Update Services 3.0.
  2. Expand ComputerName, and then clickAction.
  3. Click Import Updates.
  4. WSUS opens a browser window in which you may be prompted to install an ActiveX control. You must install the ActiveX control to continue.
  5. After the ActiveX control is installed, you see the Microsoft Update Catalog screen. Type4345590for Windows 7 SP1 and Windows Server 2008 R2 SP1 or type4345593for Windows Server 2008 SP2 in theSearchbox, and then clickSearch.
  6. Locate the .NET Framework packages that match the operating systems, languages, and processors in your environment. Click Add to add them to your basket.
  7. After you select all the packages that you require, click View Basket.
  8. To import the packages to your WSUS server, click Import.
  9. After the packages are imported, click Close to return to WSUS.
    The updates are now available for installation through WSUS.

Update deployment information

For deployment details for this security update, go to the following article in the Microsoft Knowledge Base:20180814 Security update deployment information: August 14, 2018

Update removal information

Note We do not recommend that you remove any security update. To remove this update, use thePrograms and Features item in Control Panel.

Update restart information

This update does not require a system restart after you apply it unless files that are being updated are locked or are being used.

Update replacement information

For Windows 7 SP1 and Windows Server 2008 R2 SP1, this update replaces previously released updates 4340556 and 4291493.For Windows Server 2008, this update replaces previously released updates 4340559 and 4291501.

File information

File hash

File name SHA1 hash SHA256 hash
NDP46-KB4344146-x64.exe EBCCE1A7FC09850933B9F81F42ED6B6EA6311C59 5571D662B99751F8C3DD43A79CA64101A44BD86B8C93604BC7ED086E2E800216
NDP46-KB4344146-x86.exe FC3433B00A2F4F7EF68C6357F526B0C5B28D2807 34D7D64898A8E615A1FCC430C95E797A152574284A95A4241838828ABFA7754E

File attributes

The English (United States) version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the 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 the times may change when you perform certain operations on the files.For all supported x86-based systemsFile name File version File size Date Time
Aspnet_perf.dll 4.7.3130.0 42,656 27-Jul-2018 20:45
aspnet_wp.exe 4.7.3130.0 46,184 27-Jul-2018 20:45
clr.dll 4.7.3133.0 7,249,400 27-Jul-2018 20:45
clrjit.dll 4.7.3133.0 524,288 27-Jul-2018 20:45
dfdll.dll 4.7.3130.0 159,880 27-Jul-2018 20:45
GlobalUserInterface.CompositeFont 186,009 27-Jul-2018 20:46
mscordacwks.dll 4.7.3133.0 1,345,992 27-Jul-2018 20:45
mscordbi.dll 4.7.3133.0 1,170,440 27-Jul-2018 20:45
mscoreei.dll 4.7.3130.0 513,176 27-Jul-2018 20:45
mscorlib.dll 4.7.3133.0 5,638,272 27-Jul-2018 20:45
msvcp120_clr0400.dll 12.0.52519.0 485,576 27-Jul-2018 20:48
msvcr120_clr0400.dll 12.0.52519.0 987,840 27-Jul-2018 20:48
VsVersion.dll 14.7.3130.0 19,096 27-Jul-2018 20:45
peverify.dll 4.7.3133.0 189,960 27-Jul-2018 20:45
PresentationCore.dll 4.7.3130.0 3,636,560 27-Jul-2018 20:46
PresentationFramework.dll 4.7.3130.0 6,235,496 27-Jul-2018 20:46
PresentationFramework-SystemData.dll 4.7.3130.0 24,312 27-Jul-2018 20:46
PresentationHost_v0400.dll 4.7.3130.0 214,224 27-Jul-2018 20:46
PresentationHost_v0400.dll.mui 4.7.3130.0 84,704 27-Jul-2018 20:46
PresentationNative_v0400.dll 4.7.3130.0 827,096 27-Jul-2018 20:46
ServiceMonikerSupport.dll 4.7.3130.0 29,384 27-Jul-2018 20:45
SMDiagnostics.dll 4.7.3130.0 73,808 27-Jul-2018 20:45
SOS.dll 4.7.3133.0 744,952 27-Jul-2018 20:45
System.Activities.dll 4.7.3130.0 1,532,544 27-Jul-2018 20:45
System.ComponentModel.DataAnnotations.dll 4.7.3130.0 127,200 27-Jul-2018 20:45
System.Core.dll 4.7.3130.0 1,551,944 27-Jul-2018 20:45
System.Data.Entity.dll 4.7.3130.0 4,034,240 27-Jul-2018 20:45
System.DirectoryServices.AccountManagement.dll 4.7.3130.0 296,224 27-Jul-2018 20:45
System.IdentityModel.dll 4.7.3130.0 1,090,176 27-Jul-2018 20:45
System.IdentityModel.Services.dll 4.7.3130.0 198,376 27-Jul-2018 20:45
System.Runtime.Serialization.dll 4.7.3130.0 1,056,456 27-Jul-2018 20:46
System.ServiceModel.Channels.dll 4.7.3130.0 157,928 27-Jul-2018 20:46
System.ServiceModel.Discovery.dll 4.7.3130.0 308,456 27-Jul-2018 20:46
System.ServiceModel.dll 4.7.3130.0 6,321,784 27-Jul-2018 20:46
System.ServiceModel.Internals.dll 4.7.3130.0 260,808 27-Jul-2018 20:46
System.ServiceModel.Routing.dll 4.7.3130.0 130,784 27-Jul-2018 20:46
System.ServiceModel.WasHosting.dll 4.7.3130.0 39,656 27-Jul-2018 20:46
System.Web.ApplicationServices.dll 4.7.3130.0 70,840 27-Jul-2018 20:45
System.Web.Extensions.dll 4.7.3130.0 1,849,472 27-Jul-2018 20:45
System.Workflow.Activities.dll 4.7.3130.0 1,051,360 27-Jul-2018 20:46
System.Workflow.ComponentModel.dll 4.7.3130.0 1,542,384 27-Jul-2018 20:46
System.Workflow.Runtime.dll 4.7.3130.0 498,896 27-Jul-2018 20:46
System.Runtime.Caching.dll 4.7.3130.0 109,776 27-Jul-2018 20:45
System.Data.dll 4.7.3130.0 3,458,720 27-Jul-2018 20:45
System.Data.SqlXml.dll 4.7.3130.0 734,320 27-Jul-2018 20:45
System.Deployment.dll 4.7.3130.0 879,232 27-Jul-2018 20:45
System.DirectoryServices.Protocols.dll 4.7.3130.0 201,424 27-Jul-2018 20:45
System.dll 4.7.3151.0 3,555,872 27-Jul-2018 20:48
System.Drawing.dll 4.7.3130.0 600,664 27-Jul-2018 20:45
System.Management.dll 4.7.3130.0 415,336 27-Jul-2018 20:45
System.Net.Http.dll 4.7.3130.0 204,384 27-Jul-2018 20:45
System.Runtime.Remoting.dll 4.7.3130.0 347,280 27-Jul-2018 20:45
System.Security.dll 4.7.3130.0 325,728 27-Jul-2018 20:45
System.Transactions.dll 4.7.3130.0 307,392 27-Jul-2018 20:45
System.Web.dll 4.7.3130.0 5,416,096 27-Jul-2018 20:45
System.Windows.Controls.Ribbon.dll 4.7.3130.0 742,640 27-Jul-2018 20:46
System.Windows.Forms.dll 4.7.3130.0 5,236,864 27-Jul-2018 20:45
System.Xaml.dll 4.7.3130.0 642,120 27-Jul-2018 20:46
System.Xml.dll 4.7.3130.0 2,670,144 27-Jul-2018 20:45
UIAutomationClient.dll 4.7.3130.0 178,008 27-Jul-2018 20:46
UIAutomationClientsideProviders.dll 4.7.3130.0 361,360 27-Jul-2018 20:46
UIAutomationProvider.dll 4.7.3130.0 48,992 27-Jul-2018 20:46
UIAutomationTypes.dll 4.7.3130.0 221,016 27-Jul-2018 20:46
webengine.dll 4.7.3130.0 24,752 27-Jul-2018 20:45
webengine4.dll 4.7.3130.0 550,040 27-Jul-2018 20:45
WindowsBase.dll 4.7.3130.0 1,292,112 27-Jul-2018 20:46
WMINet_Utils.dll 4.7.3130.0 136,360 27-Jul-2018 20:45
WorkflowServiceHostPerformanceCounters.dll 4.7.3130.0 89,384 27-Jul-2018 20:46
WPFFontCache_v0400.exe.mui 4.7.3130.0 19,152 27-Jul-2018 20:46
WPFFontCache_v0400.exe 4.7.3130.0 25,704 27-Jul-2018 20:46
wpfgfx_v0400.dll 4.7.3130.0 1,345,184 27-Jul-2018 20:46
Placeholder.dll 4.7.3130.0 24,736 27-Jul-2018 20:46
PenIMC2_v0400.dll 4.7.3130.0 86,184 27-Jul-2018 20:46
For all supported x64-based systemsFile name File version File size Date Time
Aspnet_perf.dll 4.7.3130.0 46,240 27-Jul-2018 20:46
Aspnet_perf.dll 4.7.3130.0 42,656 27-Jul-2018 20:45
aspnet_wp.exe 4.7.3130.0 50,792 27-Jul-2018 20:46
aspnet_wp.exe 4.7.3130.0 46,184 27-Jul-2018 20:45
clr.dll 4.7.3133.0 10,378,664 27-Jul-2018 20:46
clr.dll 4.7.3133.0 7,249,400 27-Jul-2018 20:45
clrjit.dll 4.7.3133.0 1,227,192 27-Jul-2018 20:46
clrjit.dll 4.7.3133.0 524,288 27-Jul-2018 20:45
compatjit.dll 4.7.3133.0 1,262,528 27-Jul-2018 20:46
dfdll.dll 4.7.3130.0 191,624 27-Jul-2018 20:46
dfdll.dll 4.7.3130.0 159,880 27-Jul-2018 20:45
GlobalUserInterface.CompositeFont 186,009 27-Jul-2018 20:46
mscordacwks.dll 4.7.3133.0 1,843,656 27-Jul-2018 20:46
mscordacwks.dll 4.7.3133.0 1,345,992 27-Jul-2018 20:45
mscordbi.dll 4.7.3133.0 1,625,024 27-Jul-2018 20:46
mscordbi.dll 4.7.3133.0 1,170,440 27-Jul-2018 20:45
mscoreei.dll 4.7.3130.0 632,464 27-Jul-2018 20:46
mscoreei.dll 4.7.3130.0 513,176 27-Jul-2018 20:45
mscorlib.dll 4.7.3133.0 5,420,992 27-Jul-2018 20:46
mscorlib.dll 4.7.3133.0 5,638,272 27-Jul-2018 20:45
msvcp120_clr0400.dll 12.0.52519.0 690,008 28-Jul-2018 00:29
msvcp120_clr0400.dll 12.0.52519.0 485,576 27-Jul-2018 20:48
msvcr120_clr0400.dll 12.0.52519.0 993,632 28-Jul-2018 00:29
msvcr120_clr0400.dll 12.0.52519.0 987,840 27-Jul-2018 20:48
VsVersion.dll 14.7.3130.0 19,096 27-Jul-2018 20:46
VsVersion.dll 14.7.3130.0 19,096 27-Jul-2018 20:45
peverify.dll 4.7.3133.0 263,104 27-Jul-2018 20:46
peverify.dll 4.7.3133.0 189,960 27-Jul-2018 20:45
PresentationCore.dll 4.7.3130.0 3,613,368 27-Jul-2018 20:46
PresentationCore.dll 4.7.3130.0 3,636,560 27-Jul-2018 20:46
PresentationFramework.dll 4.7.3130.0 6,235,496 27-Jul-2018 20:46
PresentationFramework-SystemData.dll 4.7.3130.0 24,312 27-Jul-2018 20:46
PresentationHost_v0400.dll 4.7.3130.0 277,712 27-Jul-2018 20:46
PresentationHost_v0400.dll.mui 4.7.3130.0 84,704 27-Jul-2018 20:46
PresentationHost_v0400.dll 4.7.3130.0 214,224 27-Jul-2018 20:46
PresentationHost_v0400.dll.mui 4.7.3130.0 84,704 27-Jul-2018 20:46
PresentationNative_v0400.dll 4.7.3130.0 1,109,712 27-Jul-2018 20:46
PresentationNative_v0400.dll 4.7.3130.0 827,096 27-Jul-2018 20:46
ServiceMonikerSupport.dll 4.7.3130.0 31,456 27-Jul-2018 20:46
ServiceMonikerSupport.dll 4.7.3130.0 29,384 27-Jul-2018 20:45
SMDiagnostics.dll 4.7.3130.0 73,808 27-Jul-2018 20:45
SOS.dll 4.7.3133.0 874,920 27-Jul-2018 20:46
SOS.dll 4.7.3133.0 744,952 27-Jul-2018 20:45
System.Activities.dll 4.7.3130.0 1,532,544 27-Jul-2018 20:45
System.ComponentModel.DataAnnotations.dll 4.7.3130.0 127,200 27-Jul-2018 20:45
System.Core.dll 4.7.3130.0 1,551,944 27-Jul-2018 20:45
System.Data.Entity.dll 4.7.3130.0 4,034,240 27-Jul-2018 20:45
System.DirectoryServices.AccountManagement.dll 4.7.3130.0 296,224 27-Jul-2018 20:45
System.IdentityModel.dll 4.7.3130.0 1,090,176 27-Jul-2018 20:45
System.IdentityModel.Services.dll 4.7.3130.0 198,376 27-Jul-2018 20:45
System.Runtime.Serialization.dll 4.7.3130.0 1,056,456 27-Jul-2018 20:46
System.ServiceModel.Channels.dll 4.7.3130.0 157,928 27-Jul-2018 20:46
System.ServiceModel.Discovery.dll 4.7.3130.0 308,456 27-Jul-2018 20:46
System.ServiceModel.dll 4.7.3130.0 6,321,784 27-Jul-2018 20:46
System.ServiceModel.Internals.dll 4.7.3130.0 260,808 27-Jul-2018 20:46
System.ServiceModel.Routing.dll 4.7.3130.0 130,784 27-Jul-2018 20:46
System.ServiceModel.WasHosting.dll 4.7.3130.0 39,656 27-Jul-2018 20:46
System.Web.ApplicationServices.dll 4.7.3130.0 70,840 27-Jul-2018 20:45
System.Web.Extensions.dll 4.7.3130.0 1,849,472 27-Jul-2018 20:45
System.Workflow.Activities.dll 4.7.3130.0 1,051,360 27-Jul-2018 20:46
System.Workflow.ComponentModel.dll 4.7.3130.0 1,542,384 27-Jul-2018 20:46
System.Workflow.Runtime.dll 4.7.3130.0 498,896 27-Jul-2018 20:46
System.Runtime.Caching.dll 4.7.3130.0 109,776 27-Jul-2018 20:45
System.Data.dll 4.7.3130.0 3,520,672 27-Jul-2018 20:46
System.Data.dll 4.7.3130.0 3,458,720 27-Jul-2018 20:45
System.Data.SqlXml.dll 4.7.3130.0 734,320 27-Jul-2018 20:45
System.Deployment.dll 4.7.3130.0 879,232 27-Jul-2018 20:45
System.DirectoryServices.Protocols.dll 4.7.3130.0 201,424 27-Jul-2018 20:45
System.dll 4.7.3151.0 3,555,872 27-Jul-2018 20:48
System.Drawing.dll 4.7.3130.0 600,664 27-Jul-2018 20:45
System.Management.dll 4.7.3130.0 415,336 27-Jul-2018 20:45
System.Net.Http.dll 4.7.3130.0 204,384 27-Jul-2018 20:45
System.Runtime.Remoting.dll 4.7.3130.0 347,280 27-Jul-2018 20:45
System.Security.dll 4.7.3130.0 325,728 27-Jul-2018 20:45
System.Transactions.dll 4.7.3130.0 310,464 27-Jul-2018 20:46
System.Transactions.dll 4.7.3130.0 307,392 27-Jul-2018 20:45
System.Web.dll 4.7.3130.0 5,398,192 27-Jul-2018 20:46
System.Web.dll 4.7.3130.0 5,416,096 27-Jul-2018 20:45
System.Windows.Controls.Ribbon.dll 4.7.3130.0 742,640 27-Jul-2018 20:46
System.Windows.Forms.dll 4.7.3130.0 5,236,864 27-Jul-2018 20:45
System.Xaml.dll 4.7.3130.0 642,120 27-Jul-2018 20:46
System.XML.dll 4.7.3130.0 2,670,144 27-Jul-2018 20:45
UIAutomationClient.dll 4.7.3130.0 178,008 27-Jul-2018 20:46
UIAutomationClientsideProviders.dll 4.7.3130.0 361,360 27-Jul-2018 20:46
UIAutomationProvider.dll 4.7.3130.0 48,992 27-Jul-2018 20:46
UIAutomationTypes.dll 4.7.3130.0 221,016 27-Jul-2018 20:46
webengine.dll 4.7.3130.0 26,264 27-Jul-2018 20:46
webengine.dll 4.7.3130.0 24,752 27-Jul-2018 20:45
webengine4.dll 4.7.3130.0 667,296 27-Jul-2018 20:46
webengine4.dll 4.7.3130.0 550,040 27-Jul-2018 20:45
WindowsBase.dll 4.7.3130.0 1,292,112 27-Jul-2018 20:46
WMINet_Utils.dll 4.7.3130.0 188,072 27-Jul-2018 20:46
WMINet_Utils.dll 4.7.3130.0 136,360 27-Jul-2018 20:45
WorkflowServiceHostPerformanceCounters.dll 4.7.3130.0 101,136 27-Jul-2018 20:46
WorkflowServiceHostPerformanceCounters.dll 4.7.3130.0 89,384 27-Jul-2018 20:46
WPFFontCache_v0400.exe.mui 4.7.3130.0 19,168 27-Jul-2018 20:46
WPFFontCache_v0400.exe.mui 4.7.3130.0 19,152 27-Jul-2018 20:46
WPFFontCache_v0400.exe 4.7.3130.0 26,728 27-Jul-2018 20:46
WPFFontCache_v0400.exe 4.7.3130.0 25,704 27-Jul-2018 20:46
wpfgfx_v0400.dll 4.7.3130.0 1,764,520 27-Jul-2018 20:46
wpfgfx_v0400.dll 4.7.3130.0 1,345,184 27-Jul-2018 20:46
Placeholder.dll 4.7.3130.0 25,760 27-Jul-2018 20:46
Placeholder.dll 4.7.3130.0 24,736 27-Jul-2018 20:46
PenIMC2_v0400.dll 4.7.3130.0 104,616 27-Jul-2018 20:46
PenIMC2_v0400.dll 4.7.3130.0 86,184 27-Jul-2018 20:46

How to obtain help and support for this security update

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8 High

AI Score

Confidence

High

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.027 Low

EPSS

Percentile

90.3%