Vigia

Microsoft .NET Framework end-of-life dates and support status

As of 2026-10-08, the supported Microsoft .NET Framework versions are 4.8.1, 4.8, 4.7.2, 4.7.1, 4.7, 4.6.2, 3.5-sp1.

VersionStatusReleasedActive support untilEnd of lifeLatest
4.8.1Supported2022-08-09———
4.8Supported2019-04-18———
4.7.2Supported2018-04-30———
4.7.1Supported2017-10-17———
4.7Supported2017-04-05———
4.6.2Supported2016-08-02—2027-01-12—
4.6.1End of life2015-11-30—2022-04-26—
4.6End of life2015-07-20—2022-04-26—
4.5.2End of life2014-05-05—2022-04-26—
4.5.1End of life2013-10-17—2016-01-12—
4.5End of life2012-08-15—2016-01-12—
4.0End of life2010-04-12—2016-01-12—
3.5-sp1Supported2007-11-19—2029-01-09—

Status is computed from today's date. "Security fixes only" means active support has ended but security fixes continue until end of life. Source: endoflife.date · release policy. Verified 2026-10-08.

Frequently asked questions

Which Microsoft .NET Framework versions are still supported?

As of 2026-10-08, the supported Microsoft .NET Framework versions are 4.8.1, 4.8, 4.7.2, 4.7.1, 4.7, 4.6.2, 3.5-sp1. Versions not listed are end of life and no longer receive security fixes.

What is the latest Microsoft .NET Framework version?

The newest Microsoft .NET Framework release cycle is 4.8.1.

Give your AI agent these facts

Vigia is a free MCP server: your coding agent checks versions, breaking changes and vulnerabilities before it writes code. No signup, no API key.

claude mcp add --transport http vigia https://vigia.coredls.cloud/mcp

Add to CursorAdd to VS Code★ Star on GitHub

Any other MCP client
{ "mcpServers": { "vigia": { "url": "https://vigia.coredls.cloud/mcp" } } }

Agent skill (SKILL.md): tells the agent when to use Vigia · GitHub Action for pull requests

For agents

GET https://vigia.coredls.cloud/v1/eol/dotnetfx
GET https://vigia.coredls.cloud/v1/eol/dotnetfx/4.8.1