Is Microsoft .NET Framework 4.8.1 end-of-life?

As of 2026-10-12: No. Microsoft .NET Framework 4.8.1 is supported; no end-of-life date is announced.

Microsoft .NET Framework release cycles

Status of every cycle as of 2026-10-12, newest first: supported, security-only (active support ended), eol or unknown.

CycleStatus
4.8.1supported
4.8supported
4.7.2supported
4.7.1supported
4.7supported
4.6.2supported
4.6.1eol
4.6eol
4.5.2eol
4.5.1eol
4.5eol
4.0eol
3.5-sp1supported

Dates, LTS and versions from the API

This page shows the status only. The signed API answer has every cycle with its release, support and end-of-life dates, LTS flag and latest version: GET /v1/eol/dotnetfx ($0.001 per call, paid with x402 in USDC; no account, no API key).

Source

Data from endoflife.date (https://endoflife.date), Copyright 2020 endoflife.date contributors, MIT License.

Snapshot eol-20261011T184823Z-fb3e9d0a, data as of 2026-10-11T18:48:23Z, source last checked 2026-10-11T18:48:23.000Z.

Licences and attribution: /licences. How snapshots are made and verified: /provenance.

Data is provided as is, without warranty of any kind. Payments are final. Every dataset is normalised (modified) from the sources named here, and no source endorses this service.