End of life / Windows / Windows 11 - 26H1
Windows Windows 11 - 26H1 end of life
Windows Windows 11 - 26H1 reaches end of life on 14 March 2028, in 509 days.
The detail
- Released
- 10 February 2026
- End of life
- 14 March 2028
- Countdown
- in 509 days
- Status
- Supported
- Long term support
- No
- Newest build on this release
- 10.0.28000
- Newest release overall
- 10.0.26300
CVEs that reach Windows 11 - 26H1
CVEs affecting Windows are serviced by Windows Update rather than by changing the Windows version, so they are not listed here.
Other Windows releases
- Windows 11 - 26H2
- Windows 11 - 25H2
- Windows 11 - 24H2
- Windows 11 - 23H2
- Windows 11 - 22H2
- Windows 11 - 21H2
- Windows 10 - 22H2
- Windows 10 - 21H2
- Windows 10 - 21H1
- Windows 10 - 20H2
- Windows 10 - 2004
- Windows 10 - 1909
- Windows 10 - 1903
- Windows 10 - 1809
- Windows 10 - 1803
- Windows 10 - 1709
- Windows 10 - 1703
- Windows 10 - 1607
- Windows 10 - 1511
- Windows 10 - 1507
- Windows 8.1
- Windows 8
- Windows 7 - SP1
Vendor sources last checked 22 October 2026, and checked daily. This data last changed on 22 October 2026.
Be told before Windows Windows 11 - 26H1 runs out
One email, ahead of the date, and nothing else. No account, no newsletter, and every message carries a link that stops them for good.
You just looked this up by hand, for one version
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