Summary

This security update resolves vulnerabilities in Skype for Business and Microsoft Lync Server. The most severe of these vulnerabilities could allow elevation of privilege if a user clicks a specially crafted URL. An attacker would have to convince users to click a link in an instant messenger or email message that directs them to an affected website by way of a specially crafted URL. To learn more about the vulnerability, see Microsoft Security Bulletin MS15-104.

How to get and install the update

Microsoft Download Center

You can get the stand-alone update package through the Microsoft Download Center.

Download Download the security update for the Skype for Business Server 2015 package now.

Install and removal information

How to install and remove this security update

To install or remove this security update, see article 3061064.

Note We don't recommend that you remove any security update.

Update deployment information

For deployment information about this security update, see Microsoft Knowledge Base Article 3089952.

Update replacement information

This update doesn't replace any previously released update.

The English version of this security update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it's 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.

For all x64-based systems

File name

File version

File size

Date

Time

Platform

File_bigfin_rtcmgmt_mappingengine_resource_dll_de_de

6.0.9319.0

63,760

19-Aug-2015

16:31

Not Applicable

File_bigfin_rtcmgmt_mappingengine_resource_dll_es_es

6.0.9319.0

65,200

19-Aug-2015

16:31

Not Applicable

File_bigfin_rtcmgmt_mappingengine_resource_dll_fr_fr

6.0.9319.0

67,232

19-Aug-2015

16:31

Not Applicable

File_bigfin_rtcmgmt_mappingengine_resource_dll_it_it

6.0.9319.0

64,688

19-Aug-2015

16:31

Not Applicable

File_bigfin_rtcmgmt_mappingengine_resource_dll_ja_jp

6.0.9319.0

67,744

19-Aug-2015

16:31

Not Applicable

File_bigfin_rtcmgmt_mappingengine_resource_dll_ko_kr

6.0.9319.0

66,208

19-Aug-2015

16:31

Not Applicable

File_bigfin_rtcmgmt_mappingengine_resource_dll_pt_br

6.0.9319.0

64,688

19-Aug-2015

16:31

Not Applicable

File_bigfin_rtcmgmt_mappingengine_resource_dll_ru_ru

6.0.9319.0

68,768

19-Aug-2015

16:31

Not Applicable

File_bigfin_rtcmgmt_mappingengine_resource_dll_zh_cn

6.0.9319.0

65,696

19-Aug-2015

16:31

Not Applicable

File_bigfin_rtcmgmt_mappingengine_resource_dll_zh_tw

6.0.9319.0

65,688

19-Aug-2015

16:31

Not Applicable

File_ext_datacollab_scripts_common_consolidated

Not Applicable

799,630

19-Aug-2015

15:02

Not Applicable

File_ext_datacollab_scripts_lynccore_datacollabcontrols

Not Applicable

2,400,939

19-Aug-2015

15:09

Not Applicable

File_ext_default.aspx

Not Applicable

48,658

11-Jun-2015

04:08

Not Applicable

File_ext_launch.js

Not Applicable

57,979

11-Jun-2015

03:55

Not Applicable

File_ext_microsoft.rtc.internal.joinlauncher.dll

6.0.9319.55

1,051,936

11-Jun-2015

05:56

x86

File_ext_webscheduler_bin_dll

6.0.9319.72

320,192

19-Aug-2015

16:35

x86

File_ext_webscheduler_bin_resources_ar_sa

6.0.9319.72

48,344

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_az_latn_az

6.0.9319.72

44,760

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_be_by

6.0.9319.72

47,856

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_bg_bg

6.0.9319.72

48,368

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_ca_es

6.0.9319.72

43,328

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_cs_cz

6.0.9319.72

41,808

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_da_dk

6.0.9319.72

43,736

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_de_de

6.0.9319.72

43,840

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_el_gr

6.0.9319.72

48,464

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_en_us

6.0.9319.72

42,736

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_es_es

6.0.9319.72

43,840

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_et_ee

6.0.9319.72

41,296

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_eu_es

6.0.9319.72

41,296

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_fa_ir

6.0.9319.72

47,344

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_fil_ph

6.0.9319.72

41,808

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_fi_fi

6.0.9319.72

44,256

19-Aug-2015

16:34

Not Applicable

File_ext_webscheduler_bin_resources_fr_fr

6.0.9319.72

43,760

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_gl_es

6.0.9319.72

43,328

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_he_il

6.0.9319.72

43,856

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_hi_in

6.0.9319.72

51,536

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_hr_hr

6.0.9319.72

44,256

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_hu_hu

6.0.9319.72

45,272

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_id_id

6.0.9319.72

40,784

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_it_it

6.0.9319.72

43,840

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_ja_jp

6.0.9319.72

43,856

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_kk_kz

6.0.9319.72

46,416

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_ko_kr

6.0.9319.72

43,760

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_lt_lt

6.0.9319.72

43,248

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_lv_lv

6.0.9319.72

41,808

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_mk_mk

6.0.9319.72

49,888

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_ms_my

6.0.9319.72

44,248

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_nb_no

6.0.9319.72

42,224

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_nl_nl

6.0.9319.72

41,808

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_pl_pl

6.0.9319.72

44,760

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_pt_br

6.0.9319.72

43,248

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_pt_pt

6.0.9319.72

42,320

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_ro_ro

6.0.9319.72

45,272

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_ru_ru

6.0.9319.72

49,880

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_sk_sk

6.0.9319.72

44,768

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_sl_si

6.0.9319.72

41,296

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_sq_al

6.0.9319.72

44,760

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_sr_cyrl_rs

6.0.9319.72

47,344

19-Aug-2015

16:34

Not Applicable

File_ext_webscheduler_bin_resources_sr_latn_rs

6.0.9319.72

44,248

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_sv_se

6.0.9319.72

44,248

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_th_th

6.0.9319.72

54,488

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_tr_tr

6.0.9319.72

44,248

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_uk_ua

6.0.9319.72

46,928

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_uz_latn_uz

6.0.9319.72

43,248

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_vi_vn

6.0.9319.72

46,296

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_zh_cn

6.0.9319.72

42,216

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_bin_resources_zh_tw

6.0.9319.72

43,736

19-Aug-2015

16:35

Not Applicable

File_ext_webscheduler_handler_bin_webschedulerhandler.dll

6.0.9319.72

370,400

19-Aug-2015

16:25

x86

File_ext_webscheduler_scripts_jquery.js

Not Applicable

249,899

19-Aug-2015

14:30

Not Applicable

File_groupexpansion_ext_microsoft.rtc.client.security.dll.de_de

6.0.9319.0

24,272

19-Aug-2015

16:28

Not Applicable

File_groupexpansion_ext_microsoft.rtc.client.security.dll.es_es

6.0.9319.0

24,360

19-Aug-2015

16:29

Not Applicable

File_groupexpansion_ext_microsoft.rtc.client.security.dll.fr_fr

6.0.9319.0

22,832

19-Aug-2015

16:30

Not Applicable

File_groupexpansion_ext_microsoft.rtc.client.security.dll.it_it

6.0.9319.0

24,272

19-Aug-2015

16:31

Not Applicable

File_groupexpansion_ext_microsoft.rtc.client.security.dll.ja_jp

6.0.9319.0

24,784

19-Aug-2015

16:31

Not Applicable

File_groupexpansion_ext_microsoft.rtc.client.security.dll.ko_kr

6.0.9319.0

24,272

19-Aug-2015

16:28

Not Applicable

File_groupexpansion_ext_microsoft.rtc.client.security.dll.pt_br

6.0.9319.0

24,272

19-Aug-2015

16:28

Not Applicable

File_groupexpansion_ext_microsoft.rtc.client.security.dll.ru_ru

6.0.9319.0

23,856

19-Aug-2015

16:30

Not Applicable

File_groupexpansion_ext_microsoft.rtc.client.security.dll.zh_cn

6.0.9319.0

23,840

19-Aug-2015

16:31

Not Applicable

File_groupexpansion_ext_microsoft.rtc.client.security.dll.zh_tw

6.0.9319.0

23,760

19-Aug-2015

16:31

Not Applicable

File_groupexpansion_int_microsoft.rtc.client.security.dll.de_de

6.0.9319.0

24,272

19-Aug-2015

16:28

Not Applicable

File_groupexpansion_int_microsoft.rtc.client.security.dll.es_es

6.0.9319.0

24,360

19-Aug-2015

16:29

Not Applicable

File_groupexpansion_int_microsoft.rtc.client.security.dll.fr_fr

6.0.9319.0

22,832

19-Aug-2015

16:30

Not Applicable

File_groupexpansion_int_microsoft.rtc.client.security.dll.it_it

6.0.9319.0

24,272

19-Aug-2015

16:31

Not Applicable

File_groupexpansion_int_microsoft.rtc.client.security.dll.ja_jp

6.0.9319.0

24,784

19-Aug-2015

16:31

Not Applicable

File_groupexpansion_int_microsoft.rtc.client.security.dll.ko_kr

6.0.9319.0

24,272

19-Aug-2015

16:28

Not Applicable

File_groupexpansion_int_microsoft.rtc.client.security.dll.pt_br

6.0.9319.0

24,272

19-Aug-2015

16:28

Not Applicable

File_groupexpansion_int_microsoft.rtc.client.security.dll.ru_ru

6.0.9319.0

23,856

19-Aug-2015

16:30

Not Applicable

File_groupexpansion_int_microsoft.rtc.client.security.dll.zh_cn

6.0.9319.0

23,840

19-Aug-2015

16:31

Not Applicable

File_groupexpansion_int_microsoft.rtc.client.security.dll.zh_tw

6.0.9319.0

23,760

19-Aug-2015

16:31

Not Applicable

File_int_datacollab_scripts_common_consolidated

Not Applicable

799,630

19-Aug-2015

15:02

Not Applicable

File_int_datacollab_scripts_lynccore_datacollabcontrols

Not Applicable

2,400,939

19-Aug-2015

15:09

Not Applicable

File_int_default.aspx

Not Applicable

48,658

11-Jun-2015

04:08

Not Applicable

File_int_launch.js

Not Applicable

57,979

11-Jun-2015

03:55

Not Applicable

File_int_microsoft.rtc.internal.joinlauncher.dll

6.0.9319.55

1,051,936

11-Jun-2015

05:56

x86

File_int_webscheduler_bin_dll

6.0.9319.72

320,192

19-Aug-2015

16:35

x86

File_int_webscheduler_bin_resources_ar_sa

6.0.9319.72

48,344

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_az_latn_az

6.0.9319.72

44,760

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_be_by

6.0.9319.72

47,856

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_bg_bg

6.0.9319.72

48,368

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_ca_es

6.0.9319.72

43,328

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_cs_cz

6.0.9319.72

41,808

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_da_dk

6.0.9319.72

43,736

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_de_de

6.0.9319.72

43,840

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_el_gr

6.0.9319.72

48,464

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_en_us

6.0.9319.72

42,736

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_es_es

6.0.9319.72

43,840

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_et_ee

6.0.9319.72

41,296

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_eu_es

6.0.9319.72

41,296

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_fa_ir

6.0.9319.72

47,344

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_fil_ph

6.0.9319.72

41,808

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_fi_fi

6.0.9319.72

44,256

19-Aug-2015

16:34

Not Applicable

File_int_webscheduler_bin_resources_fr_fr

6.0.9319.72

43,760

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_gl_es

6.0.9319.72

43,328

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_he_il

6.0.9319.72

43,856

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_hi_in

6.0.9319.72

51,536

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_hr_hr

6.0.9319.72

44,256

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_hu_hu

6.0.9319.72

45,272

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_id_id

6.0.9319.72

40,784

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_it_it

6.0.9319.72

43,840

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_ja_jp

6.0.9319.72

43,856

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_kk_kz

6.0.9319.72

46,416

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_ko_kr

6.0.9319.72

43,760

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_lt_lt

6.0.9319.72

43,248

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_lv_lv

6.0.9319.72

41,808

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_mk_mk

6.0.9319.72

49,888

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_ms_my

6.0.9319.72

44,248

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_nb_no

6.0.9319.72

42,224

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_nl_nl

6.0.9319.72

41,808

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_pl_pl

6.0.9319.72

44,760

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_pt_br

6.0.9319.72

43,248

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_pt_pt

6.0.9319.72

42,320

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_ro_ro

6.0.9319.72

45,272

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_ru_ru

6.0.9319.72

49,880

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_sk_sk

6.0.9319.72

44,768

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_sl_si

6.0.9319.72

41,296

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_sq_al

6.0.9319.72

44,760

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_sr_cyrl_rs

6.0.9319.72

47,344

19-Aug-2015

16:34

Not Applicable

File_int_webscheduler_bin_resources_sr_latn_rs

6.0.9319.72

44,248

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_sv_se

6.0.9319.72

44,248

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_th_th

6.0.9319.72

54,488

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_tr_tr

6.0.9319.72

44,248

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_uk_ua

6.0.9319.72

46,928

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_uz_latn_uz

6.0.9319.72

43,248

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_vi_vn

6.0.9319.72

46,296

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_zh_cn

6.0.9319.72

42,216

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_bin_resources_zh_tw

6.0.9319.72

43,736

19-Aug-2015

16:35

Not Applicable

File_int_webscheduler_handler_bin_webschedulerhandler.dll

6.0.9319.72

370,400

19-Aug-2015

16:25

x86

File_int_webscheduler_scripts_jquery.js

Not Applicable

249,899

19-Aug-2015

14:30

Not Applicable

File_rgs_clients_ext_bin_microsoft.rtc.rgs.clients.dll

6.0.9319.55

130,296

11-Jun-2015

06:03

x86

File_rgs_clients_int_bin_microsoft.rtc.rgs.clients.dll

6.0.9319.55

130,296

11-Jun-2015

06:03

x86

File_rgs_config_bin_microsoft.rtc.acd.deployment.dll.de_de

6.0.9319.0

25,792

19-Aug-2015

16:32

Not Applicable

File_rgs_config_bin_microsoft.rtc.acd.deployment.dll.es_es

6.0.9319.0

24,272

19-Aug-2015

16:31

Not Applicable

File_rgs_config_bin_microsoft.rtc.acd.deployment.dll.fr_fr

6.0.9319.0

24,272

19-Aug-2015

16:31

Not Applicable

File_rgs_config_bin_microsoft.rtc.acd.deployment.dll.it_it

6.0.9319.0

25,792

19-Aug-2015

16:31

Not Applicable

File_rgs_config_bin_microsoft.rtc.acd.deployment.dll.ja_jp

6.0.9319.0

24,272

19-Aug-2015

16:31

Not Applicable

File_rgs_config_bin_microsoft.rtc.acd.deployment.dll.ko_kr

6.0.9319.0

25,792

19-Aug-2015

16:31

Not Applicable

File_rgs_config_bin_microsoft.rtc.acd.deployment.dll.pt_br

6.0.9319.0

25,792

19-Aug-2015

16:31

Not Applicable

File_rgs_config_bin_microsoft.rtc.acd.deployment.dll.ru_ru

6.0.9319.0

26,304

19-Aug-2015

16:31

Not Applicable

File_rgs_config_bin_microsoft.rtc.acd.deployment.dll.zh_cn

6.0.9319.0

25,280

19-Aug-2015

16:31

Not Applicable

File_rgs_config_bin_microsoft.rtc.acd.deployment.dll.zh_tw

6.0.9319.0

25,272

19-Aug-2015

16:31

Not Applicable


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