Windows 10-21h2-iot-lts End of Life Date
Windows 10-21h2-iot-lts end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
| Version | Latest | EOL Date | Status |
|---|---|---|---|
| 5-sp3 | 5.1.2600 | Apr 8, 2014 | EOL |
| 6-sp2 | 6.0.6200 | Apr 11, 2017 | EOL |
| 7-sp1 | 6.1.7601 | Jan 14, 2020 | EOL |
| 8 | 6.2.9200 | Jan 12, 2016 | EOL |
| 8.1 | 6.3.9600 | Jan 10, 2023 | EOL |
| 10-1507-iot | 10.0.10240 | Nov 10, 2020 | EOL |
| 10-1507 | 10.0.10240 | May 9, 2017 | EOL |
| 10-1507-e-lts LTS | 10.0.10240 | Oct 14, 2025 | EOL |
What does Windows 10-21h2-iot-lts end of life mean?
When Windows 10-21h2-iot-lts reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running Windows 10-21h2-iot-lts past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Windows 11-26h1-e or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.