Cisco IOS XE 17.9 · Version Status
Cisco IOS XE 17.9 End of Life Date
Cisco IOS XE 17.9 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
⚡
Cisco IOS XE 17.9 reaches end of life on July 29, 2026. Plan your migration now — 11 days remaining.
📅 Get reminded before Cisco IOS XE 17.9 reaches EOL on July 29, 2026 — alerts 90, 30 & 7 days out.
EOL Date
Jul 29, 2026
11 days remaining
Latest Release
—
LTS release
Release Date
Jul 29, 2022
Cisco IOS XE 17.9 series
Attack Surface
10/30 Medium tier
CISA KEV Exposure
0/20 Not in KEV
Extended Support
0/10 Available
EOL Risk Score™ — proprietary methodology by endoflife.ai. Factors: EOL recency, attack surface breadth, CISA KEV catalog presence, extended support availability. Updated at every build.
Methodology → ·
View score card →
Extended Support
Extended Cisco IOS XE 17.9 support is available
Commercial vendors offer security patches beyond EOL — compare your options.
Compare Options →
All Cisco IOS XE Versions
| Version | Latest | EOL Date | Status |
|---|
| 16.12 LTS |
— |
Jul 31, 2023 |
EOL |
| 17.1 |
— |
Nov 21, 2020 |
EOL |
| 17.2 |
— |
Mar 30, 2021 |
EOL |
| 17.3 LTS |
— |
Jul 31, 2024 |
EOL |
| 17.4 |
— |
Nov 30, 2021 |
EOL |
| 17.5 |
— |
Mar 31, 2022 |
EOL |
| 17.6 LTS |
— |
Jul 30, 2024 |
EOL |
| 17.7 |
— |
Nov 30, 2022 |
EOL |
What does Cisco IOS XE 17.9 end of life mean?
When Cisco IOS XE 17.9 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running Cisco IOS XE 17.9 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Cisco IOS XE 17.18 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Cisco IOS XE 17.9 reach end of life?
Cisco IOS XE 17.9 reached end of life on July 29, 2026. That is 11 days remaining.
Is Cisco IOS XE 17.9 still supported?
Cisco IOS XE 17.9 is still supported but approaching end of life on July 29, 2026. Begin planning your migration now.
What should I upgrade to from Cisco IOS XE 17.9?
The recommended upgrade from Cisco IOS XE 17.9 is
Cisco IOS XE 17.18 — the latest actively supported version. Check the
Cisco IOS XE full timeline for all supported versions.
What are the security risks of running Cisco IOS XE 17.9 past EOL?
When Cisco IOS XE 17.9 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no remediation path. Most vulnerability scanners do not flag this — it is the CVE blind spot. Organizations running EOL Cisco IOS XE should migrate immediately or implement compensating controls.