Is .NET 3.0.3 patched?
Current stable (10.0.9): 100/100
Summary iPlain-English security status for .NET 3.0.3, built from its CVEs, active-exploitation data, end-of-life date and latest release.
.NET 3.0.3 is part of the 3.0 release line. 1 known vulnerability affects it. The 3.0 line reached end-of-life on 2020-03-03, so it no longer receives security patches. The latest supported .NET release is 10.0.9.
Known issues affecting 3.0.3
Exploited first, then by exploitation probability.
CVE-2020-1108 HIGH EPSS 12% → see advisoryOther .NET versions
Check another release line of .NET.
Frequently asked
Is .NET 3.0.3 patched?
.NET 3.0.3 is end-of-life and no longer receives security patches. Move to 10.0.9.
When does .NET 3.0 reach end-of-life?
.NET 3.0 reached end-of-life on 2020-03-03 and no longer receives security patches.
What is the latest version of .NET?
The latest supported .NET release is 10.0.9.
Is .NET 3.0.3 still receiving security updates?
No — .NET 3.0.3 is on the 3.0 line, which reached end-of-life on 2020-03-03 and no longer receives security updates. Upgrade to 10.0.9 or later to stay supported.
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Microsoft's official advisory before you patch or upgrade — .NET official site ↗