Cisco IOS XE 17.12 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Cisco IOS XE 17.12 is actively supported. It reaches end of life on 28 Jul 2027.
353 days of security support left
76% of this branch's supported lifetime has elapsed — 28 Jul 2023 → 28 Jul 2027.
Support timeline
Official dates from the Cisco IOS XE release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 28 Jul 2023 | — |
| End of life (scheduled) | 28 Jul 2027 | in 353 days |
| Active support ended | 28 Jan 2026 | security fixes only after this |
| Latest release | — | current |
How much runway a newer branch buys
Moving to Cisco IOS XE 17.18 extends security support by about 742 days.
| Branch | End of life | Days left | vs 17.12 |
|---|---|---|---|
| Cisco IOS XE 17.18 | 8 Aug 2029 | 1,095 | +742 days |
| Cisco IOS XE 17.15 | 9 Aug 2028 | 731 | +378 days |
| Cisco IOS XE 17.12 | 28 Jul 2027 | 353 | this branch |
Frequently asked questions
When does Cisco IOS XE 17.12 reach end of life?
Cisco IOS XE 17.12 reaches end of life on 28 Jul 2027 — 353 days from now. After that date it receives no security fixes.
Is Cisco IOS XE 17.12 still supported?
Yes. Cisco IOS XE 17.12 is currently maintained. Latest release: —.
What happens when Cisco IOS XE 17.12 reaches end of life?
Security fixes stop. After 28 Jul 2027 this branch receives no further updates under standard support.
How long do I have to upgrade from Cisco IOS XE 17.12?
353 days. Moving to Cisco IOS XE 17.18 instead buys roughly 742 more days of security support.