Microsoft .NET Framework 4.5.2 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Microsoft .NET Framework 4.5.2 reached end of life on 26 Apr 2022. It no longer receives security fixes.
Support timeline
Official dates from the Microsoft .NET Framework release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 5 May 2014 | — |
| End of life | 26 Apr 2022 | 4.3 years ago |
| Latest release | — | final |
Where to go from 4.5.2
Recommended target: Microsoft .NET Framework 4.8.1.
The newest actively supported branch is Microsoft .NET Framework 4.8.1 (latest release ).
Frequently asked questions
Is Microsoft .NET Framework 4.5.2 still safe to use?
Microsoft .NET Framework 4.5.2 reached end of life on 26 Apr 2022, 1,566 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Microsoft .NET Framework 4.5.2?
Yes — the final release (4.5.2) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Microsoft .NET Framework 4.5.2 to?
Upgrade to Microsoft .NET Framework 4.8.1, the newest actively supported branch.