Cisco IOS XE 3.7.xE — End-of-Life & Support Dates
Is Cisco IOS XE 3.7.xE end of life?
Past end of supportYes. Cisco's last date of support for Cisco IOS XE 3.7.xE was Apr 30, 2022 — the train is fully past support, per the Cisco end-of-life bulletin linked on this page.
Security cutoff: vulnerability fixes ended May 1, 2018 — for security posture, that date matters more than the final support date.
Lifecycle milestones — exact dates as published
| Milestone | Date | |
|---|---|---|
| End-of-Life announcement | Oct 31, 2016 | passed |
| End of Sale | May 1, 2017 | passed |
| End of SW Maintenance Releases | Oct 31, 2017 | passed |
| End of Vulnerability/Security Support | May 1, 2018 | passed |
| Last Date of Support | Apr 30, 2022 | passed |
Source: Cisco end-of-life bulletin ↗ · last verified Jul 2026 by EOSL.ai.
Hardware this affects
Families the bulletin ties to this train. If a device below is capped at 3.7.xE, its software stopped receiving security fixes May 1, 2018 — even if the hardware itself is still under support.
Cisco IOS XE 3.7.xE — questions
Is Cisco IOS XE 3.7.xE end of life?
Yes. Cisco's last date of support for Cisco IOS XE 3.7.xE was Apr 30, 2022 — the train is fully past support, per the Cisco end-of-life bulletin linked on this page.
When did security fixes end for Cisco IOS XE 3.7.xE?
May 1, 2018 — Cisco's "End of Vulnerability/Security Support" milestone. After this date the train receives no fixes for newly discovered vulnerabilities, even severe ones.
What is the last date of support for Cisco IOS XE 3.7.xE?
Apr 30, 2022, per the Cisco bulletin. After it, no support of any kind is available from Cisco for this train.
What hardware does the Cisco IOS XE 3.7.xE end-of-life affect?
The Cisco bulletin and its placement on Cisco's notice listings tie this train to: Cisco Catalyst 3850 Series; Cisco Catalyst 3650 Series. The train may run on more platforms than listed — check your release against the bulletin.