This cumulative update fixes a security issue in Microsoft Lync Server 2010, Unified Communications Managed API 3.0 Runtime. The version number of this update is 4.0.7577.766.

Issues that the cumulative update fixes

This cumulative update fixes a security issue that is described in the following article:

Additionally, this cumulative update also fixes the issues that were previously listed in the following Microsoft Knowledge Base articles:

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 cumulative update is installed, the global version of this cumulative 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_default.tmx

Not applicable

1,351,562

26-Apr-2019

21:27

Not applicable

File_gac_collaboration.dll

4.0.7577.217

5,593,792

24-Jun-2013

20:04

x86

File_gac_internal.media.dll

4.0.7577.766

7,578,504

26-Apr-2019

21:42

x64

File_gac_sipeps.dll

4.0.7577.756

1,698,184

10-Jan-2019

17:58

x64

File_ocstracer.exe

4.0.7577.172

655,104

06-Oct-2011

10:42

x64

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