Is Umbraco CMS 17.5.3 patched?
Umbraco · cycle 17.5 · Official site ↗
17.5.3100/100Healthy
Current stable (18.0.2): 100/100
Health score100/100
Open issues0
Exploited now0
Cycle 17.5 EOL—
Latest release18.0.2
Summary iPlain-English security status for Umbraco CMS 17.5.3, built from its CVEs, active-exploitation data, end-of-life date and latest release.
Umbraco CMS 17.5.3 is part of the 17.5 release line. No known vulnerabilities affect it in our data. The latest supported Umbraco CMS release is 18.0.2.
Known issues affecting 17.5.3
None found for this version. ✓
Other Umbraco CMS versions
Check another release line of Umbraco CMS.
Frequently asked
Is Umbraco CMS 17.5.3 patched?
Umbraco CMS 17.5.3 is on the latest patch of its cycle with no known affecting vulnerabilities.
What is the latest version of Umbraco CMS?
The latest supported Umbraco CMS release is 18.0.2.
Is Umbraco CMS 17.5.3 still receiving security updates?
Yes — the 17.5 line is still supported and receiving security updates. The latest release is 18.0.2.
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Umbraco's official advisory before you patch or upgrade — Umbraco CMS official site ↗