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Windows 11-26h1-e.x — End of Life
Active Medium risk EOL: Mar 13, 2029in 963d1 release in this series1 CVE
Windows 11-26h1-e.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status | Alert me |
|---|---|---|---|---|---|---|
| 11-26h1-e | Feb 10, 2026 | Mar 13, 2029 | Mar 13, 2029 | 10.0.28000 | Active |
CVEs affecting Windows 11-26h1-e.x (1)
| CVE | Severity | CVSS | EPSS | KEV | Cycle | Description | Published |
|---|---|---|---|---|---|---|---|
| CVE-1999-0524 | MEDIUM | 4.0 | 31.59% | — | 11-26h1-e | ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts. | Aug 1, 1997 |
Frequently asked questions
Is Windows 11-26h1-e end of life?
No. Windows 11-26h1-e.x is still supported until March 13, 2029. It continues to receive security patches and bug fixes.
What CVEs affect Windows 11-26h1-e?
There are 1 CVE tracked for Windows 11-26h1-e.x. See the full list above with CVSS and EPSS scores.
What is the latest Windows 11-26h1-e version?
The latest Windows 11-26h1-e.x patch release is 10.0.28000. Always run the latest patch to benefit from all security fixes.
When was Windows 11-26h1-e first released?
Windows 11-26h1-e.0 was initially released on February 10, 2026. See the full version timeline in the table above.
Is it safe to run Windows 11-26h1-e in production?
Windows 11-26h1-e is still supported and safe for production use until March 13, 2029. Ensure you are running the latest patch version (10.0.28000) to have all security fixes applied.
Data sourced from endoflife.date · CVE data from NVD · EPSS from FIRST.org · KEV from CISA