Exchange

The following is a list of Exchange Cumulative Updates and Security updates for Exchange 2019 and Exchange 2016 and Exchange 2013 as of November 15, 2022.

Exchange 2019 CU12

Cumulative Update 12 for Exchange Server 2019 (2022 H1 Cumulative Update) (KB5011156) – https://www.microsoft.com/en-us/download/details.aspx?id=104131
Security Update for Exchange 2019 CU12 (KB5019758) – https://www.microsoft.com/en-us/download/details.aspx?id=104725

Exchange 2019 CU11

Cumulative Update 11 for Exchange Server 2019 (KB5005334, Sept 2021, https://www.microsoft.com/en-us/download/details.aspx?id=103477)
Security Update for Exchange 2019 CU11 (KB5019758) – https://www.microsoft.com/en-us/download/details.aspx?id=104726

Exchange 2019 CU10

Cumulative Update 10 for Exchange Server 2019 (KB12698) – https://www.microsoft.com/en-us/download/details.aspx?id=103241)
Security Update for Exchange 2019 CU10 (KB5007409) – microsoft.com/en-us/download/details.aspx?id=103642

Exchange 2019 CU9

Cumulative Update 9 for Exchange Server 2019 (KB4602570, March 18, 2021, https://www.microsoft.com/en-us/download/details.aspx?id=102900)

Exchange 2019 CU8

Cumulative Update 8 for Exchange Server 2019 (KB4588885, 12/15/2020 – Cumulative Update 8 for Exchange Server 2019 (microsoft.com)
Exchange 2019 CU8 Security Update (KB5000871) – Download Security Update For Exchange Server 2019 CU8 (KB5000871) from Official Microsoft Download Center

Exchange 2019 CU7

Cumulative Update 7 for Exchange Server 2019 (KB4571787, 09/15/2020 – https://support.microsoft.com/en-us/help/4571787/cumulative-update-7-for-exchange-server-2019
Exchange 2019 CU7 Security Update (KB5000871) – Download Security Update For Exchange Server 2019 CU7 (KB5000871) from Official Microsoft Download Center

Exchange 2019 CU6

Cumulative Update 6 for Exchange Server 2019 (KB4556415, 06/16/2020) – https://support.microsoft.com/en-us/help/4556415/cumulative-update-6-for-exchange-server-2019
Exchange 2019 CU6 Security Update (CVE-2020-16969, KB4581424), https://www.microsoft.com/download/details.aspx?familyid=4d941094-0b50-4b33-93ea-d22b4fd38cfd
Exchange 2019 CU6 Security Update (CVE-2020-16875, KB4577352 ,Included in CU7) – https://www.microsoft.com/en-us/download/details.aspx?id=102012

Exchange 2019 CU5

Cumulative Update 5 for Exchange Server 2019 (KB4537677, 03/17/2020) – https://support.microsoft.com/en-us/help/4537677/cumulative-update-5-for-exchange-server-2019
Exchange 2019 CU5 Security Update (CVE-2020-16875, KB4577352) – https://www.microsoft.com/en-us/download/details.aspx?id=102015

Exchange 2019 CU4

Cumulative Update 4 for Exchange Server 2019 (KB4522149, 12/17/2019) – https://support.microsoft.com/en-us/help/4522149/cumulative-update-4-for-exchange-server-2019

Exchange 2019 CU3

Cumulative Update 3 for Exchange Server 2019 (KB4514141, 09/17/2019) – https://support.microsoft.com/en-us/help/4514141/cumulative-update-3-for-exchange-server-2019

Exchange 2019 CU2

Cumulative Update 2 for Exchange Server 2019 (KB4488401, 06/18/2019) – https://support.microsoft.com/en-us/help/4488401/cumulative-update-2-for-exchange-server-2019

Exchange 2019 CU1

Cumulative Update 1 for Exchange Server 2019 (KB4471391, 02/12/2019) – https://support.microsoft.com/en-us/help/4471391/cumulative-update-1-for-exchange-server-2019

Exchange 2016

Exchange 2016 CU23 (04/20/2022):

Exchange 2016 CU23 (KB5011156) – https://www.microsoft.com/en-us/download/details.aspx?id=104131
Exchange 2016 CU23 Language Pack – https://www.microsoft.com/en-us/download/details.aspx?id=104130
Security Update for Exchange 2016 CU23 (KB5019758) – https://www.microsoft.com/en-us/download/details.aspx?id=104727

Exchange 2016 CU22 (09/24/2021):

Exchange 2016 CU22 (KB5005333) – https://www.microsoft.com/en-us/download/details.aspx?id=103478
Exchange 2016 CU22 UM Language Pack – https://www.microsoft.com/en-us/download/details.aspx?id=103479
Security Update for Exchange 2016 CU22 (KB5019758) – https://www.microsoft.com/en-us/download/details.aspx?id=104728

Exchange 2016 CU21 (06/25/2021):

Exchange 2016 CU21 (KB5003611) – https://www.microsoft.com/en-us/download/details.aspx?id=103242
Exchange 2016 CU21 UM Language Pack –https://www.microsoft.com/en-us/download/details.aspx?id=103243
Security Update for Exchange 2016 CU21 (KB5007409) – https://www.microsoft.com/en-us/download/details.aspx?id=103645

Exchange 2016 CU20 (03/16/2021):

Exchange 2016 CU20 (KB4602569) – https://www.microsoft.com/en-us/download/details.aspx?id=102896
Exchange 2016 CU20 UM Language Pack – https://www.microsoft.com/en-us/download/details.aspx?id=102897
Security Update for Exchange 2016 CU20 (KB5001779, April 13, 2021, https://www.microsoft.com/en-us/download/details.aspx?id=103002)

Exchange 2016 CU19 (16/12/2020):

Exchange 2016 CU19 (KB4588884) – https://www.microsoft.com/en-us/download/details.aspx?id=102532
Exchange 2016 CU19 UM Language Pack – https://www.microsoft.com/en-us/download/details.aspx?id=102533
Exchange 2016 CU19 Security Update (KB5000871) – Download Security Update For Exchange Server 2016 CU19 (KB5000871) from Official Microsoft Download Center

Exchange 2016 CU18 (09/16/2020):

Exchange 2016 CU18 (KB4571788) – https://www.microsoft.com/en-us/download/details.aspx?id=102114
Exchange 2016 CU18 UM Language Pack – https://www.microsoft.com/en-us/download/details.aspx?id=102115
Exchange 2016 CU18 Security Update (KB5000871) – Download Security Update For Exchange Server 2016 CU19 (KB5000871) from Official Microsoft Download Center

Exchange 2016 CU17 (06/12/2020):

Exchange 2016 CU17 (KB4556414) – https://www.microsoft.com/en-us/download/details.aspx?id=101448
Exchange 2016 CU17 Language Packs (06/12/2020) – https://www.microsoft.com/en-us/download/details.aspx?id=101449
Exchange 2016 CU17 Security Update (CVE-2020-16875, KB4577352, included in CU18) – https://www.microsoft.com/en-us/download/details.aspx?id=102013
Exchange 2016 CU17 Security Update (CVE-2020-16969, KB4581424), https://www.microsoft.com/download/details.aspx?familyid=72023316-cf93-4b69-b682-1480feb47034

Exchange 2016 CU16 (03/18/2020):

Exchange 2016 CU16 (KB4537678) – https://www.microsoft.com/en-us/download/details.aspx?id=101060
Exchange 2016 CU16 Language Packs (03/18/2020) – https://www.microsoft.com/en-us/download/details.aspx?id=101061
Exchange 2016 CU16 Security Update (CVE-2020-16875, KB4577352) – https://www.microsoft.com/en-us/download/details.aspx?id=102014

Exchange 2016 CU15 (12/16/2019):

Exchange 2016 CU15 (KB4522150) – https://www.microsoft.com/en-us/download/details.aspx?id=100780
Exchange 2016 CU15 Language Packs (01/07/2020) – https://www.microsoft.com/en-us/download/details.aspx?id=100781

Exchange 2016 CU14:

Exchange 2016 CU14 (KB4522150) – https://www.microsoft.com/en-us/download/details.aspx?id=100780
Exchange 2016 CU14 Language Packs – https://www.microsoft.com/en-us/download/details.aspx?id=100781

Exchange 2016 CU13:

Exchange 2016 CU13 (KB44788406) – https://www.microsoft.com/en-us/download/details.aspx?id=58395
Exchange 2016 CU13 Language Packs – https://www.microsoft.com/en-us/download/details.aspx?id=58393

Exchange 2016 CU12:

Exchange 2016 CU12 (KB4471392) – https://www.microsoft.com/en-us/download/details.aspx?id=57827
Exchange 2016 CU12 Language Packs – https://www.microsoft.com/en-us/download/details.aspx?id=57825

Exchange 2016 CU11:

Exchange 2016 CU11 (KB4134118) – https://www.microsoft.com/en-us/download/details.aspx?id=57388
Exchange 2016 CU11 UM Language Packs – https://www.microsoft.com/en-us/download/details.aspx?id=57383

Exchange 2016 CU10 and earlier are no longer available from the Microsoft site…

Exchange Server 2013:

Exchange 2013 CU23 (06/18/2019):

Cumulative Update 23 for Exchange Server 2013 (KB4489622) – https://www.microsoft.com/en-us/download/details.aspx?id=58392
Exchange Server 2013 CU23 UM Language Packs – https://www.microsoft.com/en-us/download/details.aspx?id=58392
Security Update for Exchange 2013 CU23 (KB5019758) – https://www.microsoft.com/en-us/download/details.aspx?id=104729

Exchange 2013 CU22:

Cumulative Update 22 for Exchange Server 2013 (KB4345836) – https://www.microsoft.com/en-us/download/details.aspx?id=57826
Exchange Server 2013 CU22 UM Language Packs – https://www.microsoft.com/en-us/download/details.aspx?id=57828

Exchange 2013 CU21:

Exchange 2013 CU21 – https://www.microsoft.com/en-us/download/details.aspx?id=57069
Exchange 2013 CU21 UM Language Packs – https://www.microsoft.com/download/details.aspx?id=57066

Please be advised that Exchange 2013 CU23 is the last Cumulative Update for Exchange 2013. Exchange 2013 entered extended support on April 10th, 2018. Security updates for Exchange 2013 will be released when needed. To receive these security updates, customers are advised to install Exchange 2013 CU23. For more information check the Exchange team blog:
https://blogs.technet.microsoft.com/exchange/2018/04/10/exchange-server-2013-enters-extended-support-lifecycle-phase/

Update. When additional important security fixes are released, Microsoft will release additional Cumulative Updates for Exchange 2013. So, despite end of support of Exchange 2013 you can see newer CU’s become available.

Exchange 2013 CU20: