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mskbMicrosoftKB4344153
HistoryAug 14, 2018 - 7:00 a.m.

Description of the Security and Quality Rollup for .NET Framework 3.5 for Windows 8.1, RT 8.1, and Server 2012 R2 (KB 4344153)

2018-08-1407:00:00
Microsoft
support.microsoft.com
12

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 3.5 for Windows 8.1, RT 8.1, and Server 2012 R2 (KB 4344153)

This article also applies to the following:

  • Microsoft .NET Framework 3.5

Summary

This 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 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 updates in the future.
  • 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 8.1, Windows RT 8.1 and Windows Server 2012 R2, see the following article in the Microsoft Knowledge Base:4345592 Security and Quality Rollup updates for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, and 4.7.2 for Windows 8.1, RT 8.1 and Server 2012 R2 (KB 4345592)

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. Type4345592in 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

This update replaces previously released updates 4340558 and 4291497.

File information

File hash

File name SHA1 hash SHA256 hash
Windows8.1-KB4344153-x64.msu BE2840F79F50B30E571B229863D5993DFCDA0E0D EC93C86E95CA87852B0FEFD6BF0804D26F4D58352E16AD10936658304EBB6349
Windows8.1-KB4344153-x86.msu DE4685DD06AC23D190194E434DF4A0DCE5BE94F8 B0BC930FAF4DD194C9FC84087B2953AB88D99308567A7A61FA52555E84E846C6

File attributes

The English (United States) version of this update 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
presentationframework.dll 3.0.6920.8773 5,283,840 30-Mar-2017 13:15
reachframework.dll 3.0.6920.8773 532,480 30-Mar-2017 13:15
smdiagnostics.dll 3.0.4506.8800 110,592 11-Jun-2018 13:11
smsvchost.exe 3.0.4506.8800 129,664 11-Jun-2018 13:11
system.data.sqlxml.dll 2.0.50727.8773 745,472 12-Dec-2017 13:09
system.identitymodel.dll 3.0.4506.8800 446,464 11-Jun-2018 13:11
system.management.dll 2.0.50727.8766 389,120 12-Jul-2017 13:11
system.runtime.remoting.dll 2.0.50727.8771 307,200 31-Aug-2017 13:17
system.runtime.serialization.dll 3.0.4506.8800 970,752 11-Jun-2018 13:11
system.runtime.serialization.dll 3.0.4506.8800 970,752 11-Jun-2018 13:11
system.security.dll 2.0.50727.8784 274,432 28-Mar-2018 13:15
system.servicemodel.dll 3.0.4506.8800 5,992,448 11-Jun-2018 13:11
system.servicemodel.washosting.dll 3.0.4506.8800 32,768 11-Jun-2018 13:11
system.servicemodel.dll 3.0.4506.8800 5,992,448 11-Jun-2018 13:11
system.web.regularexpressions.dll 2.0.50727.8762 98,304 22-Apr-2017 13:09
system.workflow.activities.dll 3.0.4203.8800 1,142,784 11-Jun-2018 13:11
system.workflow.componentmodel.dll 3.0.4203.8800 1,630,208 11-Jun-2018 13:11
system.workflow.runtime.dll 3.0.4203.8800 540,672 11-Jun-2018 13:11
system.xml.dll 2.0.50727.8773 2,056,192 12-Dec-2017 13:09
system.dll 2.0.50727.8791 3,207,168 11-Jul-2018 13:11
windowsbase.dll 3.0.6920.8773 1,257,472 30-Mar-2017 13:15
big5.nlp 66,728 07-Nov-2017 17:46
bopomofo.nlp 82,172 07-Nov-2017 17:46
ksc.nlp 116,756 07-Nov-2017 17:46
mscorlib.dll 2.0.50727.8793 4,554,752 24-Jul-2018 13:10
normidna.nlp 59,342 07-Nov-2017 17:46
normnfc.nlp 45,794 07-Nov-2017 17:46
normnfd.nlp 39,284 07-Nov-2017 17:46
normnfkc.nlp 66,384 07-Nov-2017 17:46
normnfkd.nlp 60,294 07-Nov-2017 17:46
prc.nlp 83,748 07-Nov-2017 17:46
prcp.nlp 83,748 07-Nov-2017 17:46
sortkey.nlp 262,148 07-Nov-2017 17:46
sorttbls.nlp 20,320 07-Nov-2017 17:46
xjis.nlp 28,288 07-Nov-2017 17:46
aspnet_wp.exe 2.0.50727.8762 31,384 22-Apr-2017 13:09
mscordacwks.dll 2.0.50727.8793 991,808 24-Jul-2018 13:10
mscorsvc.dll 2.0.50727.8793 231,992 24-Jul-2018 13:10
mscorwks.dll 2.0.50727.8793 5,948,472 24-Jul-2018 13:10
sos.dll 2.0.50727.8793 391,216 24-Jul-2018 13:10
webengine.dll 2.0.50727.8762 437,400 22-Apr-2017 13:09
wminet_utils.dll 2.0.50727.8766 116,896 12-Jul-2017 13:11
presentationcore.dll 3.0.6920.8773 4,222,976 30-Mar-2017 13:15
presentationfontcache.exe.config 161 20-Aug-2015 13:24
wpfgfx_v0300.dll 3.0.6920.8773 1,737,888 30-Mar-2017 13:15
system.data.dll 2.0.50727.8762 2,975,744 22-Apr-2017 13:09
system.printing.dll 3.0.6920.8773 372,736 30-Mar-2017 13:15
system.web.dll 2.0.50727.8762 5,287,936 22-Apr-2017 13:09
servicemonikersupport.dll 3.0.4506.8800 18,096 11-Jun-2018 13:11
system.identitymodel.dll 3.0.4506.8800 446,464 11-Jun-2018 13:11
system.runtime.serialization.dll 3.0.4506.8800 970,752 11-Jun-2018 13:11
system.servicemodel.dll 3.0.4506.8800 5,992,448 11-Jun-2018 13:11
penimc.dll 3.0.6920.8773 68,752 30-Mar-2017 13:15
presentationframework.dll 3.0.6920.8773 5,283,840 30-Mar-2017 13:15
presentationhostdll.dll 3.0.6920.8773 131,248 30-Mar-2017 13:15
reachframework.dll 3.0.6920.8773 532,480 30-Mar-2017 13:15
windowsbase.dll 3.0.6920.8773 1,257,472 30-Mar-2017 13:15
system.workflow.activities.dll 3.0.4203.8800 1,142,784 11-Jun-2018 13:11
system.workflow.componentmodel.dll 3.0.4203.8800 1,630,208 11-Jun-2018 13:11
system.workflow.runtime.dll 3.0.4203.8800 540,672 11-Jun-2018 13:11
For all supported x64-based systemsFile name File version File size Date Time
big5.nlp 66,728 26-Oct-2017 16:05
bopomofo.nlp 82,172 26-Oct-2017 16:05
ksc.nlp 116,756 26-Oct-2017 16:05
mscorlib.dll 2.0.50727.8793 4,571,136 24-Jul-2018 13:11
normidna.nlp 59,342 26-Oct-2017 16:05
normnfc.nlp 45,794 26-Oct-2017 16:05
normnfd.nlp 39,284 26-Oct-2017 16:05
normnfkc.nlp 66,384 26-Oct-2017 16:05
normnfkd.nlp 60,294 26-Oct-2017 16:05
prc.nlp 83,748 26-Oct-2017 16:05
prcp.nlp 83,748 26-Oct-2017 16:05
sortkey.nlp 262,148 26-Oct-2017 16:05
sorttbls.nlp 20,320 26-Oct-2017 16:05
xjis.nlp 28,288 26-Oct-2017 16:05
aspnet_wp.exe 2.0.50727.8762 43,160 22-Apr-2017 13:08
mscordacwks.dll 2.0.50727.8793 1,758,784 24-Jul-2018 13:11
mscorsvc.dll 2.0.50727.8793 495,232 24-Jul-2018 13:11
mscorwks.dll 2.0.50727.8793 10,008,632 24-Jul-2018 13:11
sos.dll 2.0.50727.8793 486,008 24-Jul-2018 13:11
system.data.sqlxml.dll 2.0.50727.8773 745,472 29-Nov-2017 05:34
system.management.dll 2.0.50727.8766 389,120 12-Jul-2017 13:08
system.runtime.remoting.dll 2.0.50727.8771 307,200 31-Aug-2017 13:15
system.security.dll 2.0.50727.8784 274,432 28-Mar-2018 13:15
system.web.regularexpressions.dll 2.0.50727.8762 98,304 22-Apr-2017 13:08
system.xml.dll 2.0.50727.8773 2,056,192 29-Nov-2017 05:34
system.dll 2.0.50727.8791 3,207,168 11-Jul-2018 13:12
webengine.dll 2.0.50727.8762 746,648 22-Apr-2017 13:08
wminet_utils.dll 2.0.50727.8766 140,960 12-Jul-2017 13:08
presentationcore.dll 3.0.6920.8773 4,006,400 30-Mar-2017 13:15
presentationfontcache.exe.config 161 22-Aug-2015 13:27
wpfgfx_v0300.dll 3.0.6920.8773 2,256,032 30-Mar-2017 13:15
system.data.dll 2.0.50727.8762 3,150,336 22-Apr-2017 13:08
system.printing.dll 3.0.6920.8773 358,400 30-Mar-2017 13:15
system.web.dll 2.0.50727.8762 5,296,128 22-Apr-2017 13:08
servicemonikersupport.dll 3.0.4506.8800 20,144 11-Jun-2018 13:10
smdiagnostics.dll 3.0.4506.8800 94,208 11-Jun-2018 13:10
smsvchost.exe 3.0.4506.8800 117,376 11-Jun-2018 13:10
system.identitymodel.dll 3.0.4506.8800 405,504 11-Jun-2018 13:09
system.runtime.serialization.dll 3.0.4506.8800 847,872 11-Jun-2018 13:10
system.runtime.serialization.dll 3.0.4506.8800 847,872 11-Jun-2018 13:10
system.servicemodel.dll 3.0.4506.8800 5,332,992 11-Jun-2018 13:10
system.servicemodel.washosting.dll 3.0.4506.8800 32,768 11-Jun-2018 13:10
system.servicemodel.dll 3.0.4506.8800 5,332,992 11-Jun-2018 13:10
penimc.dll 3.0.6920.8773 85,648 30-Mar-2017 13:15
presentationframework.dll 3.0.6920.8773 4,640,768 30-Mar-2017 13:15
presentationhostdll.dll 3.0.6920.8773 172,208 30-Mar-2017 13:15
reachframework.dll 3.0.6920.8773 532,480 30-Mar-2017 13:15
windowsbase.dll 3.0.6920.8773 1,118,208 30-Mar-2017 13:15
system.workflow.activities.dll 3.0.4203.8800 1,060,864 11-Jun-2018 13:10
system.workflow.componentmodel.dll 3.0.4203.8800 1,519,616 11-Jun-2018 13:10
system.workflow.runtime.dll 3.0.4203.8800 454,656 11-Jun-2018 13:10
presentationframework.dll 3.0.6920.8773 5,283,840 30-Mar-2017 13:15
reachframework.dll 3.0.6920.8773 532,480 30-Mar-2017 13:15
smdiagnostics.dll 3.0.4506.8800 110,592 11-Jun-2018 13:11
smsvchost.exe 3.0.4506.8800 129,664 11-Jun-2018 13:11
system.data.sqlxml.dll 2.0.50727.8773 745,472 12-Dec-2017 13:09
system.identitymodel.dll 3.0.4506.8800 446,464 11-Jun-2018 13:11
system.management.dll 2.0.50727.8766 389,120 12-Jul-2017 13:11
system.runtime.remoting.dll 2.0.50727.8771 307,200 31-Aug-2017 13:17
system.runtime.serialization.dll 3.0.4506.8800 970,752 11-Jun-2018 13:11
system.runtime.serialization.dll 3.0.4506.8800 970,752 11-Jun-2018 13:11
system.security.dll 2.0.50727.8784 274,432 28-Mar-2018 13:15
system.servicemodel.dll 3.0.4506.8800 5,992,448 11-Jun-2018 13:11
system.servicemodel.washosting.dll 3.0.4506.8800 32,768 11-Jun-2018 13:11
system.servicemodel.dll 3.0.4506.8800 5,992,448 11-Jun-2018 13:11
system.web.regularexpressions.dll 2.0.50727.8762 98,304 22-Apr-2017 13:09
system.workflow.activities.dll 3.0.4203.8800 1,142,784 11-Jun-2018 13:11
system.workflow.componentmodel.dll 3.0.4203.8800 1,630,208 11-Jun-2018 13:11
system.workflow.runtime.dll 3.0.4203.8800 540,672 11-Jun-2018 13:11
system.xml.dll 2.0.50727.8773 2,056,192 12-Dec-2017 13:09
system.dll 2.0.50727.8791 3,207,168 11-Jul-2018 13:11
windowsbase.dll 3.0.6920.8773 1,257,472 30-Mar-2017 13:15
big5.nlp 66,728 07-Nov-2017 17:46
bopomofo.nlp 82,172 07-Nov-2017 17:46
ksc.nlp 116,756 07-Nov-2017 17:46
mscorlib.dll 2.0.50727.8793 4,554,752 24-Jul-2018 13:10
normidna.nlp 59,342 07-Nov-2017 17:46
normnfc.nlp 45,794 07-Nov-2017 17:46
normnfd.nlp 39,284 07-Nov-2017 17:46
normnfkc.nlp 66,384 07-Nov-2017 17:46
normnfkd.nlp 60,294 07-Nov-2017 17:46
prc.nlp 83,748 07-Nov-2017 17:46
prcp.nlp 83,748 07-Nov-2017 17:46
sortkey.nlp 262,148 07-Nov-2017 17:46
sorttbls.nlp 20,320 07-Nov-2017 17:46
xjis.nlp 28,288 07-Nov-2017 17:46
aspnet_wp.exe 2.0.50727.8762 31,384 22-Apr-2017 13:09
mscordacwks.dll 2.0.50727.8793 991,808 24-Jul-2018 13:10
mscorsvc.dll 2.0.50727.8793 231,992 24-Jul-2018 13:10
mscorwks.dll 2.0.50727.8793 5,948,472 24-Jul-2018 13:10
sos.dll 2.0.50727.8793 391,216 24-Jul-2018 13:10
webengine.dll 2.0.50727.8762 437,400 22-Apr-2017 13:09
wminet_utils.dll 2.0.50727.8766 116,896 12-Jul-2017 13:11
presentationcore.dll 3.0.6920.8773 4,222,976 30-Mar-2017 13:15
presentationfontcache.exe.config 161 20-Aug-2015 13:24
wpfgfx_v0300.dll 3.0.6920.8773 1,737,888 30-Mar-2017 13:15
system.data.dll 2.0.50727.8762 2,975,744 22-Apr-2017 13:09
system.printing.dll 3.0.6920.8773 372,736 30-Mar-2017 13:15
system.web.dll 2.0.50727.8762 5,287,936 22-Apr-2017 13:09
servicemonikersupport.dll 3.0.4506.8800 18,096 11-Jun-2018 13:11
system.identitymodel.dll 3.0.4506.8800 446,464 11-Jun-2018 13:11
system.runtime.serialization.dll 3.0.4506.8800 970,752 11-Jun-2018 13:11
system.servicemodel.dll 3.0.4506.8800 5,992,448 11-Jun-2018 13:11
penimc.dll 3.0.6920.8773 68,752 30-Mar-2017 13:15
presentationframework.dll 3.0.6920.8773 5,283,840 30-Mar-2017 13:15
presentationhostdll.dll 3.0.6920.8773 131,248 30-Mar-2017 13:15
reachframework.dll 3.0.6920.8773 532,480 30-Mar-2017 13:15
windowsbase.dll 3.0.6920.8773 1,257,472 30-Mar-2017 13:15
system.workflow.activities.dll 3.0.4203.8800 1,142,784 11-Jun-2018 13:11
system.workflow.componentmodel.dll 3.0.4203.8800 1,630,208 11-Jun-2018 13:11
system.workflow.runtime.dll 3.0.4203.8800 540,672 11-Jun-2018 13:11

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%