Cisco IOS XE End of Life (EOL) Dates & Support Timeline
Complete end-of-life dates, support windows, and security status for all Cisco IOS XE versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.
| Version | Latest Release | Release Date | EOL Date | Days | Status |
|---|---|---|---|---|---|
| 16.12 LTS | — | Jul 31, 2019 | Jul 31, 2023 | 1058 days past EOL | EOL |
| 17.1 | — | Nov 21, 2019 | Nov 21, 2020 | 2040 days past EOL | EOL |
| 17.2 | — | Mar 30, 2020 | Mar 30, 2021 | 1911 days past EOL | EOL |
| 17.3 LTS | — | Jul 31, 2020 | Jul 31, 2024 | 692 days past EOL | EOL |
| 17.4 | — | Nov 30, 2020 | Nov 30, 2021 | 1666 days past EOL | EOL |
| 17.5 | — | Mar 31, 2021 | Mar 31, 2022 | 1545 days past EOL | EOL |
| 17.6 LTS | — | Jul 30, 2021 | Jul 30, 2024 | 693 days past EOL | EOL |
| 17.7 | — | Nov 30, 2021 | Nov 30, 2022 | 1301 days past EOL | EOL |
| 17.8 | — | Apr 11, 2022 | Apr 11, 2023 | 1169 days past EOL | EOL |
| 17.9 LTS | — | Jul 29, 2022 | Jul 29, 2026 | 36 days remaining | Warning |
| 17.10 | — | Nov 30, 2022 | Nov 30, 2023 | 936 days past EOL | EOL |
| 17.11 | — | Mar 28, 2023 | Mar 28, 2024 | 817 days past EOL | EOL |
| 17.12 LTS | — | Jul 28, 2023 | Jul 28, 2027 | 400 days remaining | Active |
| 17.13 | — | Nov 30, 2023 | Nov 30, 2024 | 570 days past EOL | EOL |
| 17.14 | — | Apr 13, 2024 | Apr 13, 2025 | 436 days past EOL | EOL |
| 17.15 LTS | — | Aug 9, 2024 | Aug 9, 2028 | 778 days remaining | Active |
| 17.16 | — | Dec 11, 2024 | Dec 11, 2025 | 194 days past EOL | EOL |
| 17.17 | — | Mar 31, 2025 | Mar 31, 2026 | 84 days past EOL | EOL |
| 17.18 LTS | — | Aug 8, 2025 | Aug 8, 2029 | 1142 days remaining | Active |
What does Cisco IOS XE end of life mean for your organization?
When a version of Cisco IOS XE reaches end of life, the maintainers stop issuing security patches. Vulnerabilities discovered after this date are publicly disclosed on the National Vulnerability Database, exploit code appears on GitHub, and your systems remain permanently exposed.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the accumulation of unpatched vulnerabilities in EOL software. With a zero-day, nobody knows about the vulnerability. With EOL software, the vulnerability is public — listed, rated, and often weaponized — but no patch will ever exist. This is the most dangerous gap in enterprise security posture.
Organizations running EOL Cisco IOS XE should treat it as a vulnerability class in their risk register, apply compensating controls (network segmentation, enhanced monitoring, access restriction), and prioritize migration to a supported version.
Extended Support Options
If you cannot migrate immediately, extended support vendors provide continued security patches for EOL Cisco IOS XE versions. This is a bridge, not a permanent solution — plan your migration in parallel.
We work with vetted extended support vendors. Tell us what you need and we'll connect you with the right provider.
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