Cisco IOS XE 16.12 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Cisco IOS XE 16.12 reached end of life on 31 Jul 2023. It no longer receives security fixes.
Support timeline
Official dates from the Cisco IOS XE release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 31 Jul 2019 | — |
| End of life | 31 Jul 2023 | 3.0 years ago |
| Active support ended | 31 Jan 2022 | security fixes only after this |
| Latest release | — | final |
Where to go from 16.12
Recommended target: Cisco IOS XE 17.18 (supported until 8 Aug 2029).
The newest actively supported branch is Cisco IOS XE 17.18 (latest release ).
Frequently asked questions
Is Cisco IOS XE 16.12 still safe to use?
Cisco IOS XE 16.12 reached end of life on 31 Jul 2023, 1,105 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Cisco IOS XE 16.12?
Yes — the final release (16.12) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Cisco IOS XE 16.12 to?
Upgrade to Cisco IOS XE 17.18, the newest actively supported branch (supported until 8 Aug 2029).