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Microsoft has released a cumulative update for Skype for Business Server 2019, Web Components Server. The version number of this update is 7.0.2046.236.
This cumulative update fixes the following issue:
Vulnerability exists when Skype for Business Server incorrectly handles OAuth token validation
To apply this cumulative update, you must follow the steps that are described in Updates for Skype for Business Server 2019 on computers that are running the following server roles:
We recommend that you refer to the uninstallation instructions that are described in Updates for Skype for Business Server 2019 when you remove the cumulative update.
The global version of this cumulative update uses a Microsoft Windows Installer package to install the cumulative update. The dates and the times for these files are listed in Coordinated Universal Time (UTC) in the following table. When you view the file information, the date is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
After the update is installed, the global version of this update has the file attributes, or a later version of the file attributes, that are listed in the following table:
| File name | File version | File size | Date | Time | Platform |
|---|---|---|---|---|---|
| File_autodiscover_ext_autodiscoverperf_dll | 7.0.2046.123 | 52,296 | 28-Jun-2019 | 17:49 | x64 |
| File_autodiscover_int_autodiscoverperf_dll | 7.0.2046.123 | 52,296 | 28-Jun-2019 | 17:49 | x64 |
| File_azureabsperf.dll | 7.0.2046.123 | 52,600 | 28-Jun-2019 | 17:48 | x64 |
| File_bigfin_lscpapp_xap | Not applicable | 1,253,081 | 28-Jun-2019 | 17:58 | Not applicable |
| File_bigfin_rtcmgmt.resource_xap_de_de | Not applicable | 67,583 | 03-Jul-2020 | 14:37 | Not applicable |
| File_bigfin_rtcmgmt.resource_xap_en_us | Not applicable | 113,576 | 28-Jun-2019 | 17:55 | Not applicable |
| File_bigfin_rtcmgmt.resource_xap_es_es | Not applicable | 67,347 | 03-Jul-2020 | 14:37 | Not applicable |
| File_bigfin_rtcmgmt.resource_xap_fr_fr | Not applicable | 68,521 | 03-Jul-2020 | 14:37 | Not applicable |
| File_bigfin_rtcmgmt.resource_xap_it_it | Not applicable | 66,670 | 03-Jul-2020 | 14:37 | Not applicable |
| File_bigfin_rtcmgmt.resource_xap_ja_jp | Not applicable | 66,692 | 03-Jul-2020 | 14:37 | Not applicable |
| File_bigfin_rtcmgmt.resource_xap_ko_kr | Not applicable | 64,890 | 03-Jul-2020 | 14:37 | Not applicable |
| File_bigfin_rtcmgmt.resource_xap_pt_br | Not applicable | 67,515 | 03-Jul-2020 | 14:37 | Not applicable |
| File_bigfin_rtcmgmt.resource_xap_ru_ru | Not applicable | 72,922 | 03-Jul-2020 | 14:37 | Not applicable |
| File_bigfin_rtcmgmt.resource_xap_zh_cn | Not applicable | 64,023 | 03-Jul-2020 | 14:37 | Not applicable |
| File_bigfin_rtcmgmt.resource_xap_zh_tw | Not applicable | 64,187 | 03-Jul-2020 | 14:37 | Not applicable |
| File_bigfin_serverbin_rtcmgmt_tasks_dll | 7.0.2046.123 | 552,008 | 28-Jun-2019 | 17:46 | x86 |
| File_certprov_ext_bin_lccerthelper.dll | 7.0.2046.123 | 782,944 | 28-Jun-2019 | 17:47 | x64 |
| File_certprov_int_bin_lccerthelper.dll | 7.0.2046.123 | 782,944 | 28-Jun-2019 | 17:47 | x64 |
| File_cgwproxy_ext_microsoft.rtc.management.core.dll | 7.0.2046.123 | 3,316,600 | 28-Jun-2019 | 17:36 | x86 |
| File_cgwproxy_ext_microsoft.rtc.server.webinfrastructure.dll | 7.0.2046.236 | 4,254,072 | 03-Jul-2020 | 14:35 | x64 |
| File_ext_datacollabrecording_aspx | Not applicable | 6,235 | 28-Jun-2019 | 17:28 | Not applicable |
| File_ext_datacollabweb_ac_res_js_localize.js | Not applicable | 1,116 | 28-Jun-2019 | 15:17 | Not applicable |
| File_ext_datacollab_aspx | Not applicable | 12,010 | 17-Nov-2019 | 23:31 | Not applicable |
| File_ext_datacollab_bin_psomframe | 7.0.2046.151 | 250,952 | 17-Nov-2019 | 23:49 | Not applicable |
| File_ext_default.aspx | Not applicable | 59,366 | 28-Jun-2019 | 17:28 | Not applicable |
| File_ext_joinlauncherperf.dll | 7.0.2046.123 | 52,088 | 28-Jun-2019 | 17:47 | x64 |
| File_ext_launch.js | Not applicable | 64,707 | 28-Jun-2019 | 15:17 | Not applicable |
| File_ext_microsoft.rtc.internal.collaboration.appsharing.dll | 7.0.2046.123 | 2,534,776 | 28-Jun-2019 | 17:42 | x86 |
| File_ext_microsoft.rtc.internal.joinlauncher.dll | 7.0.2046.123 | 1,164,664 | 28-Jun-2019 | 17:57 | x86 |
| File_ext_microsoft.rtc.internal.webrelay.dll | 7.0.2046.123 | 536,648 | 28-Jun-2019 | 17:49 | x86 |
| File_ext_rmwebhandler_bin_rmwebhandlerperf_dll | 7.0.2046.123 | 52,088 | 28-Jun-2019 | 17:47 | x64 |
| File_ext_storewebperf.dll | 7.0.2046.123 | 52,296 | 28-Jun-2019 | 17:48 | x64 |
| File_ext_webcontainerframe_html | Not applicable | 10,345 | 28-Jun-2019 | 15:17 | Not applicable |
| File_ext_webrelay_perf.dll | 7.0.2046.123 | 52,296 | 28-Jun-2019 | 17:49 | x64 |
| File_ext_webscheduler_handler_bin_webschedulerperf_dll | 7.0.2046.123 | 52,296 | 28-Jun-2019 | 17:49 | x64 |
| File_ext_webscheduler_scripts_common.js | Not applicable | 121,283 | 03-Jul-2020 | 14:23 | Not applicable |
| File_ext_webscheduler_scripts_jquery.js | Not applicable | 325,378 | 03-Jul-2020 | 13:06 | Not applicable |
| File_gac_microsoft.rtc.server.webinfrastructure.dll | 7.0.2046.236 | 4,254,072 | 03-Jul-2020 | 14:35 | x64 |
| File_int_datacollabrecording_aspx | Not applicable | 6,235 | 28-Jun-2019 | 17:28 | Not applicable |
| File_int_datacollabweb_ac_res_js_localize.js | Not applicable | 1,116 | 28-Jun-2019 | 15:17 | Not applicable |
| File_int_datacollab_aspx | Not applicable | 12,010 | 17-Nov-2019 | 23:31 | Not applicable |
| File_int_datacollab_bin_psomframe | 7.0.2046.151 | 250,952 | 17-Nov-2019 | 23:49 | Not applicable |
| File_int_default.aspx | Not applicable | 59,366 | 28-Jun-2019 | 17:28 | Not applicable |
| File_int_joinlauncherperf.dll | 7.0.2046.123 | 52,088 | 28-Jun-2019 | 17:47 | x64 |
| File_int_launch.js | Not applicable | 64,707 | 28-Jun-2019 | 15:17 | Not applicable |
| File_int_microsoft.rtc.internal.collaboration.appsharing.dll | 7.0.2046.123 | 2,534,776 | 28-Jun-2019 | 17:42 | x86 |
| File_int_microsoft.rtc.internal.joinlauncher.dll | 7.0.2046.123 | 1,164,664 | 28-Jun-2019 | 17:57 | x86 |
| File_int_microsoft.rtc.internal.webrelay.dll | 7.0.2046.123 | 536,648 | 28-Jun-2019 | 17:49 | x86 |
| File_int_rmwebhandler_bin_rmwebhandlerperf_dll | 7.0.2046.123 | 52,088 | 28-Jun-2019 | 17:47 | x64 |
| File_int_storewebperf.dll | 7.0.2046.123 | 52,296 | 28-Jun-2019 | 17:48 | x64 |
| File_int_webcontainerframe_html | Not applicable | 10,345 | 28-Jun-2019 | 15:17 | Not applicable |
| File_int_webrelay_perf.dll | 7.0.2046.123 | 52,296 | 28-Jun-2019 | 17:49 | x64 |
| File_int_webscheduler_handler_bin_webschedulerperf_dll | 7.0.2046.123 | 52,296 | 28-Jun-2019 | 17:49 | x64 |
| File_int_webscheduler_scripts_common.js | Not applicable | 121,283 | 03-Jul-2020 | 14:23 | Not applicable |
| File_int_webscheduler_scripts_jquery.js | Not applicable | 325,378 | 03-Jul-2020 | 13:06 | Not applicable |
| File_platformservice_ext_platformserviceperf_dll | 7.0.2046.123 | 53,112 | 28-Jun-2019 | 17:47 | x64 |
| File_platformservice_ext_s4perf_dll | 7.0.2046.123 | 53,112 | 28-Jun-2019 | 17:48 | x64 |
| File_platformservice_int_platformserviceperf_dll | 7.0.2046.123 | 53,112 | 28-Jun-2019 | 17:47 | x64 |
| File_plat_ext_eventchannelperf.dll | 7.0.2046.123 | 51,576 | 28-Jun-2019 | 17:47 | x64 |
| File_plat_ext_microsoft.rtc.server.webinfrastructure.dll | 7.0.2046.236 | 4,254,072 | 03-Jul-2020 | 14:35 | x64 |
| File_plat_ext_platformservice.common.dll | 7.0.2046.151 | 334,432 | 17-Nov-2019 | 23:40 | x86 |
| File_plat_ext_platformservice.web.dll | 7.0.2046.123 | 345,464 | 28-Jun-2019 | 17:59 | x86 |
| File_plat_int_eventchannelperf.dll | 7.0.2046.123 | 51,576 | 28-Jun-2019 | 17:47 | x64 |
| File_plat_int_microsoft.rtc.server.webinfrastructure.dll | 7.0.2046.236 | 4,254,072 | 03-Jul-2020 | 14:35 | x64 |
| File_plat_int_platformservice.common.dll | 7.0.2046.151 | 334,432 | 17-Nov-2019 | 23:40 | x86 |
| File_plat_int_platformservice.web.dll | 7.0.2046.123 | 345,464 | 28-Jun-2019 | 17:59 | x86 |
| File_rgs_config_web.config | Not applicable | 2,200 | 17-Nov-2019 | 23:32 | Not applicable |
| File_sfbmgwproxy_ext_microsoft.rtc.internal.dll | 7.0.2046.236 | 273,280 | 03-Jul-2020 | 14:32 | x86 |
| File_sfbmgwproxy_ext_microsoft.rtc.management.core.dll | 7.0.2046.123 | 3,316,600 | 28-Jun-2019 | 17:36 | x86 |
| File_sfbmgwproxy_ext_microsoft.rtc.server.webinfrastructure.dll | 7.0.2046.236 | 4,254,072 | 03-Jul-2020 | 14:35 | x64 |
| File_sfbmgwproxy_ext_sfbmgwproxyperf_dll | 7.0.2046.123 | 54,856 | 28-Jun-2019 | 17:49 | x64 |
| File_ucap_ext_eventchannelperf_dll | 7.0.2046.123 | 51,576 | 28-Jun-2019 | 17:47 | x64 |
| File_ucap_ext_ucapperf_dll | 7.0.2046.123 | 52,088 | 28-Jun-2019 | 17:51 | x64 |
| File_ucap_int_eventchannelperf_dll | 7.0.2046.123 | 51,576 | 28-Jun-2019 | 17:47 | x64 |
| File_ucap_int_ucapperf_dll | 7.0.2046.123 | 52,088 | 28-Jun-2019 | 17:51 | x64 |
| File_ucwa_ext_eventchannelperf_dll | 7.0.2046.123 | 51,576 | 28-Jun-2019 | 17:47 | x64 |
| File_ucwa_ext_s4perf_dll | 7.0.2046.123 | 53,112 | 28-Jun-2019 | 17:48 | x64 |
| File_ucwa_ext_ucwaperf_dll | 7.0.2046.123 | 53,112 | 28-Jun-2019 | 17:47 | x64 |
| File_ucwa_int_eventchannelperf_dll | 7.0.2046.123 | 51,576 | 28-Jun-2019 | 17:47 | x64 |
| File_ucwa_int_microsoft.rtc.internal.ucwa.dll | 7.0.2046.151 | 5,178,976 | 17-Nov-2019 | 23:50 | x86 |
| File_ucwa_int_ucwaperf_dll | 7.0.2046.123 | 53,112 | 28-Jun-2019 | 17:47 | x64 |
| File_ucwa_microsoft.rtc.internal.ucwa.dll | 7.0.2046.151 | 5,178,976 | 17-Nov-2019 | 23:50 | x86 |
| File_userpinperf.dll | 7.0.2046.123 | 52,088 | 28-Jun-2019 | 17:48 | x64 |
| File_webcompperf.dll | 7.0.2046.123 | 55,672 | 28-Jun-2019 | 17:47 | x64 |
Learn about the standard terminology that Microsoft uses to describe software updates.
Get the latest cumulative update for Skype for Business Server 2019.
CONTENT IDEA REQUEST 119029
Author: secure
Writer: KBSec
Tech Reviewer: secure
Editor: v-jesits
Keywords: kbBug, kbfix, kbsurveynew, kbExpertiseInter, KbSECBulletin, KbSECVulnerability, ATdownload, kbMustLoc, kbLangAll, kbSecurity, kbSecReview