End of life
Microsoft Exchange Server 2016 CU23 SU19 end-of-life and support dates
Microsoft Exchange Server 2016 CU23 SU19 reached end of support on 2025-10-14. That was 392 days ago. Extended support ended on 2026-11-01.
Scope: software releaseListed under Microsoft Exchange ServerAs of 2026-11-10
Lifecycle timeline
- 2015-10-01 — Release date · General availability
- 2020-10-13 — End of active support · End of maintenance
- 2025-10-14 — End of support · End of standard support
- 2026-11-01 — Extended support end · End of extended support
When is Microsoft Exchange Server 2016 CU23 SU19 end of life?
Microsoft Exchange Server 2016 CU23 SU19 reached end of support on 2025-10-14. Extended support ended on 2026-11-01.
Is Microsoft Exchange Server 2016 CU23 SU19 still supported?
No. Extended support ended on 2026-11-01.
Why this status?
“Extended support end” (end-of-extended-support, 2026-11-01, confirmed) has also passed — extended support is over.
Evidence
- Microsoft Exchange Server lifecycle Official · checked 2026-11-10
- endoflife.date product data independent-open · checked 2026-11-10
Related
- All MS Server Exchange Server lifecycle dates· 11 tracked releases
- MS Server Exchange Server security advisories· 65 tracked
- CVE-2026-118149: Microsoft Exchange Server Remote Code Execution Vulnerability
- CVE-2026-118150: Microsoft Exchange Server Elevation of Privilege Vulnerability
- CVE-2026-118153: Microsoft Exchange Server Denial of Service Vulnerability
- CVE-2026-118208: Microsoft Exchange Server Spoofing Vulnerability
- CVE-2026-96185: Microsoft Exchange Online Remote Code Execution Vulnerability
- CVE email alerts for MS Server
Status is calculated from the published milestones. When a vendor does not publish a date, this page says so and does not estimate one.