End of life
Microsoft Exchange Server 2013 CU23 SU21 end-of-life and support dates
Microsoft Exchange Server 2013 CU23 SU21 reached end of support on 2023-04-11. That was 1309 days ago. Active support ended on 2018-04-10.
Scope: software releaseListed under Microsoft Exchange ServerAs of 2026-11-10
Lifecycle timeline
- 2013-01-09 — Release date · General availability
- 2018-04-10 — End of active support · End of maintenance
- 2023-04-11 — End of support · End of standard support
When is Microsoft Exchange Server 2013 CU23 SU21 end of life?
Microsoft Exchange Server 2013 CU23 SU21 reached end of support on 2023-04-11. Active support ended on 2018-04-10.
Is Microsoft Exchange Server 2013 CU23 SU21 still supported?
No. Support ended on 2023-04-11.
Why this status?
“End of active support” (end-of-maintenance, 2018-04-10, confirmed) has passed and no later support phase is published.
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.