Windows 11-26h2-e.x — End of Life
Active Medium riskWindows 11-26h2-e.x is still supported until Oct 9, 2029, in 1095 days. The most recent release in this series is 10.0.26300. 1 CVE is tracked for this series.
Windows 11-26h2-e.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status | Alert me |
|---|---|---|---|---|---|---|
| 11-26h2-e | Sep 29, 2026 | Oct 9, 2029 | Oct 9, 2029 | 10.0.26300 | Active |
CVEs affecting Windows 11-26h2-e.x (1)
| CVE | Severity | CVSS | EPSS | KEV | Cycle | Description | Published |
|---|---|---|---|---|---|---|---|
| CVE-2011-3389 | MEDIUM | 4.3 | 73.32% | — | 11-26h2-e | The SSL protocol, as used in certain configurations in Microsoft Windows and Microsoft Internet Explorer, Mozilla Firefo… | Sep 6, 2011 |
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[](https://eolcanary.com/explore/windows/11-26h2-e)Frequently asked questions
Is Windows 11-26h2-e end of life?
No. Windows 11-26h2-e.x is still supported until October 9, 2029. It continues to receive security patches and bug fixes.
What CVEs affect Windows 11-26h2-e?
There are 1 CVE tracked for Windows 11-26h2-e.x. See the full list above with CVSS and EPSS scores.
What is the latest Windows 11-26h2-e version?
The latest Windows 11-26h2-e.x patch release is 10.0.26300. Always run the latest patch to benefit from all security fixes.
When was Windows 11-26h2-e first released?
Windows 11-26h2-e was released on September 29, 2026. See the full version timeline in the table above.
Is it safe to run Windows 11-26h2-e in production?
Yes, Windows 11-26h2-e is still supported. Support ends on October 9, 2029. Make sure you run the latest patch (10.0.26300) to have all security fixes applied.
Data sourced from endoflife.date · CVE data from NVD · EPSS from FIRST.org · KEV from CISA