Skype for Business Server 2015 Cumulative Update List: October 2023

With the first release of an update for Skype for Business Server 2015, it is a good opportunity to publish a list of Cumulative Updates. We will try to keep it updated as soon as a new Cumulative Update is released.

Like in the previous versions, this list will include the version for the Core Components. This is because not all components are updated when we apply a Cumulative Update.

The previous lists for the Lync Server can be found in the following links:

Lync Server 2010 Cumulative Update List

Lync Server 2013 Cumulative Update List

We already made a post on how to check the component version using PowerShell:

Skype for Business Server 2015 Component Version using PowerShell

Skype for Business Server Component Version using Get-CsServerPatchVersion – Requires version 6.0.9319.102 or above)

The latest updates for Skype for Business Server 2015 and how to update each server role is described here:

Updates for Skype for Business Server 2015

Download the latest Cumulative Update for Skype for Business Server 2015

Here is the table with the list of updates:

VersionCumulative UpdateKB Article
6.0.9319.869October 2023 (SU)KB5032429
6.0.9319.853August 2023 (CU13)KB5024309
6.0.9319.842December 2022 (CU12 HF4)KB5021629
6.0.9319.634July 2022 (CU12 HF3)KB5016714
6.0.9319.628April 2022 (CU12 HF2)KB3061064
6.0.9319.623February 2022 (CU12 HF1)KB5010776
6.0.9319.619August 2021 (CU12)KB5005359
6.0.9319.606May 2021 (SU)KB5003729
6.0.9319.601February 2021 (SU)KB5000675
6.0.9319.598November 2020 (CU11 HF2)KB4594637
6.0.9319.591July 2020 (CU11 HF1)KB4564307
6.0.9319.580May 2020 (CU11)KB4558385
6.0.9319.562August 2019 (CU10 HF1)KB4518735
6.0.9319.559July 2019 (CU10)KB4505401
6.0.9319.548May 2019 (CU9)KB4487979
6.0.9319.544March 2019 (CU8 H1)KB4494279
6.0.9319.537January 2019 (CU8)KB4464355
6.0.9319.534July 2018 (CU7)KB4340904
6.0.9319.516March 2018 (CU6 HF2)KB4086059
6.0.9319.514January 2018 (CU6 HF1)KB4074701
6.0.9319.510December 2017 (CU6)KB4036312
6.0.9319.281May 2017 (CU5)KB4012621
6.0.9319.277February 2017 (CU4 HF1)KB3207506
6.0.9319.272November 2016 (CU4)KB3199093
6.0.9319.259June 2016 (CU3)KB3149227
6.0.9319.235March 2016 (CU2)KB3134260
6.0.9319.102November 2015 (CU1)KB3097645
6.0.9319.88September 2015KB3098601
6.0.9319.55June 2015KB3061059
6.0.9319.0RTMNA