Skype for Business Server 2019 Cumulative Updates (CU) List

With the release of SfB Server 2019 i thought id create a Skype for Business Server Cumulative Update list,  release dates and also download source.

Something i often search for with Lync and SfB Server and perhaps others may find helpful in the future.

  • Updated 14/02/2020 – Adding CU2 and download
  • Updated 28/07*/2020 – Adding CU4
  • Updated 15/12/2021 – Catching up on missed CUs 🙂

SfB Server 2019 Update history docs article

For DOWNLOADS of all CUs go to SfB Server 2019 folder here

CU NumberVersion NumberDateDownload Links
RTM   
CU 1 7.0.2046.12311th July 2019KB4499991

 

For DOWNLOADS of all CUs go to SfB Server 2019 folder here

CU1 HF 1 September 2019KB4470124
CU27.0.2046.1513rd December 2019KB4528667

 

For DOWNLOADS of all CUs go to SfB Server 2019 folder here

CU37.0.2046.21619th March 2020KB4540585

 

For DOWNLOADS of all CUs go to SfB Server 2019 folder here

CU3 HF17.0.2046.236July 2020KB4470124

 

Vulnerability exists when Skype for Business Server incorrectly handles OAuth token validation

For DOWNLOADS of all CUs go to SfB Server 2019 folder here

CU47.0.2046.244September 2020https://support.microsoft.com/kb/4582622

 

For DOWNLOADS of all CUs go to SfB Server 2019 folder here

CU HF17.0.2046.248November 2020Support push notification for iOS 13 in Skype for Business Server 2019

 

https://support.microsoft.com/kb/4593479

For DOWNLOADS of all CUs go to SfB Server 2019 folder here

    
Security Update7.0.2046.367March 2021https://support.microsoft.com/kb/5000675

 

For DOWNLOADS of all CUs go to SfB Server 2019 folder here

 Security Update7.0.2046.369 May 2021 https://support.microsoft.com/kb/5003729

 

For DOWNLOADS of all CUs go to SfB Server 2019 folder here

CU 57.0.2046.385Dec 2021KB4470124

 

https://support.microsoft.com/en-us/topic/updates-for-skype-for-business-server-2019-890f4878-c6fe-f71b-c85f-db2acc284b94

For DOWNLOADS of all CUs go to SfB Server 2019 folder here

    
    
    
    
    

For Downloads of all CUs please see link above.

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