摘要
此更新提高了用作安装 Windows 更新的组件的服务堆栈的质量。 关键更改包括以下内容：
-
改进了安全启动吊销列表 (DBX) 更新体验，以避免在未运行 Credential Guard 服务的设备上部署 DBX 更新时多次重启。
-
解决了安全启动允许列表 (DB) 更新为空时，不应用安全启动吊销列表 (DBX) 的问题。
我们强烈建议你在安装最新的累积更新 (LCU) 之前为操作系统安装最新的服务堆栈更新 (SSU)。 安装服务堆栈更新 (SSU) 可确保你拥有强大且可靠的服务堆栈，以便你的设备可以接收和安装 Microsoft 安全修补程序。
如何获取此更新
方法 1：Windows 更新
可以通过 Windows 更新获取此更新。 此更新会自动下载并安装。
方法 2：Microsoft 更新目录
若要获取此更新的独立程序包，请转到 Microsoft 更新目录网站。
方法 3：Windows Server Update Service
此更新也可通过 Windows Server Update Services (WSUS) 获取。
先决条件
应用此更新没有任何先决条件。
重启信息
应用此更新后无需重启计算机。
更新替换信息
此更新将替换以前发布的更新 KB 4512939。
文件信息
文件属性
此软件更新的英语（美国）版本将安装具有下表所列属性的文件。
Windows Server 2012 文件信息
注意
已安装的 MANIFEST 文件 (.manifest) 和 MUM 文件 (.mum) 没有列出。
文件校验
文件哈希信息
|
文件名 |
SHA1 哈希 |
SHA256 哈希 |
|---|---|---|
|
Windows8-RT-KB4521857-x64.msu |
50F6015CA96C9D98838CE4FF09FBF41EA280324F |
EE5D67B8D49586E764ACA3510490CE6D046836B6FF232C0841182B23FE36C67C |
对于所有受支持的基于 x64 的版本
|
文件名 |
文件版本 |
文件大小 |
日期 |
时间 |
平台 |
|
Cbsapi.dll |
6.2.9200.16384 |
23,040 |
26-Jul-2012 |
03:05 |
x64 |
|
Esscli.dll |
6.2.9200.22865 |
385,024 |
17-Aug-2019 |
17:10 |
x64 |
|
Fastprox.dll |
6.2.9200.22865 |
816,640 |
17-Aug-2019 |
17:10 |
x64 |
|
Mofd.dll |
6.2.9200.22865 |
258,048 |
17-Aug-2019 |
17:10 |
x64 |
|
Mofinstall.dll |
6.2.9200.16384 |
71,168 |
26-Jul-2012 |
03:07 |
x64 |
|
Repdrvfs.dll |
6.2.9200.16384 |
366,080 |
26-Jul-2012 |
03:07 |
x64 |
|
Wbemcomn.dll |
6.2.9200.22865 |
462,336 |
17-Aug-2019 |
17:10 |
x64 |
|
Wbemcore.dll |
6.2.9200.22882 |
1,207,296 |
17-Sep-2019 |
04:31 |
x64 |
|
Wbemprox.dll |
6.2.9200.16384 |
35,840 |
26-Jul-2012 |
03:07 |
x64 |
|
Wmicmiplugin.dll |
6.2.9200.22865 |
556,032 |
17-Aug-2019 |
17:10 |
x64 |
|
Wmiutils.dll |
6.2.9200.16384 |
115,712 |
26-Jul-2012 |
03:07 |
x64 |
|
Sppinst.dll |
6.2.9200.21193 |
641,024 |
09-Aug-2014 |
06:56 |
x64 |
|
Cmifw.dll |
6.2.9200.16384 |
88,576 |
26-Jul-2012 |
03:05 |
x64 |
|
Firewallofflineapi.dll |
6.2.9200.16384 |
211,968 |
26-Jul-2012 |
03:05 |
x64 |
|
Appserverai.dll |
6.2.9200.22882 |
135,680 |
17-Sep-2019 |
04:30 |
x64 |
|
Rdwebai.dll |
6.2.9200.22882 |
126,976 |
17-Sep-2019 |
04:31 |
x64 |
|
Tssdisai.dll |
6.2.9200.22882 |
145,408 |
17-Sep-2019 |
04:31 |
Not applicable |
|
Vmhostai.dll |
6.2.9200.22882 |
123,392 |
17-Sep-2019 |
04:31 |
x64 |
|
Appxreg.dll |
6.2.9200.16384 |
15,360 |
26-Jul-2012 |
03:05 |
x64 |
|
Bcdeditai.dll |
6.2.9200.21193 |
300,032 |
09-Aug-2014 |
06:55 |
x64 |
|
Bfsvc.dll |
6.2.9200.16384 |
91,648 |
26-Jul-2012 |
03:05 |
x64 |
|
Cbscore.dll |
6.2.9200.22882 |
1,162,752 |
17-Sep-2019 |
04:30 |
x64 |
|
Cbsmsg.dll |
6.2.9200.16384 |
41,472 |
26-Jul-2012 |
03:05 |
x64 |
|
Ceipfwdai.dll |
6.2.9200.22882 |
212,480 |
17-Sep-2019 |
04:30 |
x64 |
|
Cleanupai.dll |
6.2.9200.16384 |
31,232 |
26-Jul-2012 |
03:05 |
x64 |
|
Cmiadapter.dll |
6.2.9200.22882 |
116,736 |
17-Sep-2019 |
04:30 |
x64 |
|
Cmipnpinstall.dll |
6.2.9200.22865 |
249,344 |
17-Aug-2019 |
17:10 |
x64 |
|
Cmitrust.dll |
6.2.9200.22865 |
407,040 |
17-Aug-2019 |
17:10 |
x64 |
|
Cmiv2.dll |
6.2.9200.22865 |
3,293,184 |
17-Aug-2019 |
17:10 |
x64 |
|
Cntrtextinstaller.dll |
6.2.9200.16384 |
164,864 |
26-Jul-2012 |
03:05 |
x64 |
|
Configureieoptionalcomponentsai.dll |
6.2.9200.22882 |
73,216 |
17-Sep-2019 |
04:30 |
x64 |
|
Dpx.dll |
6.2.9200.22865 |
361,984 |
17-Aug-2019 |
17:10 |
x64 |
|
Drupdate.dll |
6.2.9200.22865 |
244,224 |
17-Aug-2019 |
17:10 |
x64 |
|
Drvstore.dll |
6.2.9200.22865 |
703,488 |
17-Aug-2019 |
17:10 |
x64 |
|
Fveupdateai.dll |
6.2.9200.22882 |
57,344 |
17-Sep-2019 |
04:30 |
x64 |
|
Globalinstallorder.xml |
Not applicable |
2,240,509 |
02-Jun-2012 |
20:26 |
Not applicable |
|
Httpai.dll |
6.2.9200.22882 |
52,224 |
17-Sep-2019 |
04:30 |
x64 |
|
Iefileinstallai.dll |
6.2.9200.22882 |
58,880 |
17-Sep-2019 |
04:30 |
x64 |
|
Luainstall.dll |
6.2.9200.16384 |
50,176 |
26-Jul-2012 |
03:06 |
x64 |
|
Msdelta.dll |
6.2.9200.22882 |
414,208 |
17-Sep-2019 |
04:31 |
x64 |
|
Msdtcadvancedinstaller.dll |
6.2.9200.22882 |
239,616 |
17-Sep-2019 |
04:31 |
x64 |
|
Mspatcha.dll |
6.2.9200.16384 |
45,056 |
26-Jul-2012 |
03:07 |
x64 |
|
Netfxconfig.dll |
6.2.9200.16384 |
34,304 |
26-Jul-2012 |
03:06 |
x64 |
|
Peerdistai.dll |
6.2.9200.22882 |
67,584 |
17-Sep-2019 |
04:31 |
x64 |
|
Pkgmgr.exe |
6.2.9200.22865 |
196,096 |
17-Aug-2019 |
17:10 |
x64 |
|
Poqexec.exe |
6.2.9200.22865 |
148,480 |
17-Aug-2019 |
17:10 |
x64 |
|
Printadvancedinstaller.dll |
6.2.9200.22865 |
71,168 |
17-Aug-2019 |
17:10 |
x64 |
|
Registeriepkeysai.dll |
6.2.9200.16384 |
19,456 |
26-Jul-2012 |
03:07 |
x64 |
|
Securebootai.dll |
6.2.9200.22882 |
36,352 |
17-Sep-2019 |
04:31 |
x64 |
|
Servicemodelregai.dll |
6.2.9200.22882 |
116,224 |
17-Sep-2019 |
04:31 |
x64 |
|
Setieinstalleddateai.dll |
6.2.9200.22882 |
42,496 |
17-Sep-2019 |
04:31 |
x64 |
|
Smiengine.dll |
6.2.9200.22882 |
894,464 |
17-Sep-2019 |
04:31 |
x64 |
|
Smipi.dll |
6.2.9200.22882 |
110,592 |
17-Sep-2019 |
04:31 |
x64 |
|
Tifilefetcher.exe |
6.2.9200.22882 |
460,800 |
17-Sep-2019 |
04:31 |
x64 |
|
Timezoneai.dll |
6.2.9200.16384 |
75,264 |
26-Jul-2012 |
03:07 |
x64 |
|
Tiworker.exe |
6.2.9200.21193 |
189,440 |
09-Aug-2014 |
06:57 |
x64 |
|
Wcmtypes.xsd |
Not applicable |
1,047 |
02-Jun-2012 |
14:54 |
Not applicable |
|
Wcp.dll |
6.2.9200.22882 |
2,835,456 |
17-Sep-2019 |
04:31 |
x64 |
|
Wdscore.dll |
6.2.9200.22865 |
272,384 |
17-Aug-2019 |
17:10 |
x64 |
|
Winsockai.dll |
6.2.9200.16384 |
60,928 |
26-Jul-2012 |
03:07 |
x64 |
|
Wrpint.dll |
6.2.9200.16384 |
60,928 |
26-Jul-2012 |
03:08 |
x64 |
|
Ws2_helper.dll |
6.2.9200.16384 |
59,904 |
26-Jul-2012 |
03:08 |
x64 |
|
Trustedinstaller.exe |
6.2.9200.21193 |
98,304 |
09-Aug-2014 |
06:57 |
x64 |
|
Esscli.dll |
6.2.9200.16384 |
283,648 |
26-Jul-2012 |
03:19 |
x86 |
|
Fastprox.dll |
6.2.9200.22865 |
629,248 |
17-Aug-2019 |
16:15 |
x86 |
|
Mofd.dll |
6.2.9200.16384 |
195,072 |
26-Jul-2012 |
03:19 |
x86 |
|
Mofinstall.dll |
6.2.9200.16384 |
61,440 |
26-Jul-2012 |
03:19 |
x86 |
|
Repdrvfs.dll |
6.2.9200.16384 |
274,944 |
26-Jul-2012 |
03:19 |
x86 |
|
Wbemcomn.dll |
6.2.9200.21193 |
380,928 |
09-Aug-2014 |
06:36 |
x86 |
|
Wbemcore.dll |
6.2.9200.22882 |
924,160 |
17-Sep-2019 |
03:35 |
x86 |
|
Wbemprox.dll |
6.2.9200.16384 |
28,160 |
26-Jul-2012 |
03:19 |
x86 |
|
Wmicmiplugin.dll |
6.2.9200.22865 |
395,776 |
17-Aug-2019 |
16:15 |
x86 |
|
Wmiutils.dll |
6.2.9200.16384 |
88,576 |
26-Jul-2012 |
03:19 |
x86 |
|
Sppinst.dll |
6.2.9200.21193 |
518,656 |
09-Aug-2014 |
06:36 |
x86 |
|
Cmifw.dll |
6.2.9200.16384 |
73,728 |
26-Jul-2012 |
03:18 |
x86 |
|
Firewallofflineapi.dll |
6.2.9200.16384 |
181,760 |
26-Jul-2012 |
03:18 |
x86 |
|
Appxreg.dll |
6.2.9200.16384 |
22,016 |
26-Jul-2012 |
03:17 |
x86 |
|
Bcdeditai.dll |
6.2.9200.21193 |
285,184 |
09-Aug-2014 |
06:35 |
x86 |
|
Bfsvc.dll |
6.2.9200.16384 |
91,136 |
26-Jul-2012 |
03:18 |
x86 |
|
Cbscore.dll |
6.2.9200.22882 |
1,007,104 |
17-Sep-2019 |
03:35 |
x86 |
|
Cbsmsg.dll |
6.2.9200.16384 |
41,472 |
26-Jul-2012 |
03:18 |
x86 |
|
Ceipfwdai.dll |
6.2.9200.22865 |
180,736 |
17-Aug-2019 |
16:15 |
x86 |
|
Cleanupai.dll |
6.2.9200.16384 |
36,352 |
26-Jul-2012 |
03:18 |
x86 |
|
Cmiadapter.dll |
6.2.9200.22865 |
103,936 |
17-Aug-2019 |
16:15 |
x86 |
|
Cmipnpinstall.dll |
6.2.9200.22865 |
190,464 |
17-Aug-2019 |
16:15 |
x86 |
|
Cmitrust.dll |
6.2.9200.21913 |
289,280 |
23-Jun-2016 |
01:48 |
x86 |
|
Cmiv2.dll |
6.2.9200.22865 |
2,156,032 |
17-Aug-2019 |
16:15 |
x86 |
|
Cntrtextinstaller.dll |
6.2.9200.22865 |
139,776 |
17-Aug-2019 |
16:15 |
x86 |
|
Configureieoptionalcomponentsai.dll |
6.2.9200.22865 |
69,632 |
17-Aug-2019 |
16:15 |
x86 |
|
Dpx.dll |
6.2.9200.22865 |
250,368 |
17-Aug-2019 |
16:15 |
x86 |
|
Drupdate.dll |
6.2.9200.22865 |
193,024 |
17-Aug-2019 |
16:15 |
x86 |
|
Drvstore.dll |
6.2.9200.22865 |
549,376 |
17-Aug-2019 |
16:15 |
x86 |
|
Fveupdateai.dll |
6.2.9200.22865 |
56,320 |
17-Aug-2019 |
16:15 |
x86 |
|
Globalinstallorder.xml |
Not applicable |
2,240,509 |
02-Jun-2012 |
20:26 |
Not applicable |
|
Httpai.dll |
6.2.9200.22865 |
53,760 |
17-Aug-2019 |
16:15 |
x86 |
|
Iefileinstallai.dll |
6.2.9200.22865 |
59,904 |
17-Aug-2019 |
16:15 |
x86 |
|
Luainstall.dll |
6.2.9200.16384 |
39,424 |
26-Jul-2012 |
03:18 |
x86 |
|
Msdelta.dll |
6.2.9200.22882 |
310,784 |
17-Sep-2019 |
03:35 |
x86 |
|
Msdtcadvancedinstaller.dll |
6.2.9200.22865 |
200,704 |
17-Aug-2019 |
16:15 |
x86 |
|
Mspatcha.dll |
6.2.9200.16384 |
38,912 |
26-Jul-2012 |
03:19 |
x86 |
|
Netfxconfig.dll |
6.2.9200.16384 |
40,448 |
26-Jul-2012 |
03:19 |
x86 |
|
Peerdistai.dll |
6.2.9200.22865 |
66,048 |
17-Aug-2019 |
16:15 |
x86 |
|
Pkgmgr.exe |
6.2.9200.22865 |
194,048 |
17-Aug-2019 |
16:15 |
x86 |
|
Poqexec.exe |
6.2.9200.22865 |
132,608 |
17-Aug-2019 |
16:15 |
x86 |
|
Printadvancedinstaller.dll |
6.2.9200.22865 |
72,704 |
17-Aug-2019 |
16:15 |
x86 |
|
Registeriepkeysai.dll |
6.2.9200.16384 |
24,576 |
26-Jul-2012 |
03:19 |
x86 |
|
Securebootai.dll |
6.2.9200.22882 |
39,936 |
17-Sep-2019 |
03:35 |
x86 |
|
Servicemodelregai.dll |
6.2.9200.22865 |
96,768 |
17-Aug-2019 |
16:15 |
x86 |
|
Setieinstalleddateai.dll |
6.2.9200.22865 |
41,984 |
17-Aug-2019 |
16:15 |
x86 |
|
Smiengine.dll |
6.2.9200.22882 |
700,928 |
17-Sep-2019 |
03:35 |
x86 |
|
Smipi.dll |
6.2.9200.22865 |
102,400 |
17-Aug-2019 |
16:15 |
x86 |
|
Tifilefetcher.exe |
6.2.9200.22882 |
380,928 |
17-Sep-2019 |
03:35 |
x86 |
|
Timezoneai.dll |
6.2.9200.21193 |
67,584 |
09-Aug-2014 |
06:36 |
x86 |
|
Tiworker.exe |
6.2.9200.21193 |
186,880 |
09-Aug-2014 |
06:37 |
x86 |
|
Wcmtypes.xsd |
Not applicable |
1,047 |
02-Jun-2012 |
14:54 |
Not applicable |
|
Wcp.dll |
6.2.9200.22882 |
2,187,776 |
17-Sep-2019 |
03:35 |
x86 |
|
Wdscore.dll |
6.2.9200.22865 |
225,792 |
17-Aug-2019 |
16:15 |
x86 |
|
Winsockai.dll |
6.2.9200.16384 |
64,512 |
26-Jul-2012 |
03:20 |
x86 |
|
Wrpint.dll |
6.2.9200.21193 |
48,640 |
09-Aug-2014 |
06:36 |
x86 |
|
Ws2_helper.dll |
6.2.9200.16384 |
48,128 |
26-Jul-2012 |
03:20 |
x86 |
参考
有关 SSU 的更多信息，请参阅服务堆栈更新。
了解 Microsoft 用于描述软件更新的术语。
