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Track your version:Monitors Windows Server and tailors your dashboard to that exact version.

10.0.26100 · latest cycle—/100 Unknown

Summary iPlain-English security verdict for Windows Server, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.

Windows Server's security status could not be assessed at the last sync — vulnerability data was unavailable.

Disclosure trend iNew CVEs published for Windows Server each year (NVD). A higher bar means more disclosures that year — more scrutiny, not necessarily less safe.

'19

'20

'21

'22

'23

'24

'25

'26

Patch priority — what to act on iThe issues to fix first — actively exploited (CISA KEV) first, then by exploitation probability (EPSS), then severity. Each row's "→ fixed in" is the earliest version that patches it; "see advisory" means no fixed version is published.

No urgent unpatched issues identified. ✓

How to patch Windows Server — step-by-step to the latest secure version →

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Versions & lifecycle iWhen each release line stops receiving security patches (end-of-life). After EOL there are no more fixes — plan upgrades before these dates.

How long each Windows Server release line is supported — and when it sunsets. Select a line for its full report.

Oct10'34 Windows Server 2025EOL 2034-10-10

Oct14'31 Windows Server 2022EOL 2031-10-14

Jan9'29 Windows Server 2019EOL 2029-01-09

Jan12'27 Windows Server 2016EOL 2027-01-12

Oct24'25 Windows Server 23h2-acended 2025-10-24

Oct10'23 Windows Server 2012-r2ended 2023-10-10

Oct10'23 Windows Server 2012ended 2023-10-10

Aug9'22 Windows Server 20h2-sacended 2022-08-09

Dec14'21 Windows Server 2004-sacended 2021-12-14

May11'21 Windows Server 1909-sacended 2021-05-11

Dec8'20 Windows Server 1903-sacended 2020-12-08

Nov10'20 Windows Server 1809-sacended 2020-11-10

Full Windows Server end-of-life dates & support timeline →

2025 latest 10.0.26100 Supported until 2034-10-1010.0.26100 → 23h2-ac latest 10.0.25398 End of life ended 2025-10-2410.0.25398 → 2022 latest 10.0.20348 Supported until 2031-10-1410.0.20348 → 20h2-sac latest 10.0.19042 End of life ended 2022-08-0910.0.19042 → 2004-sac latest 10.0.19041 End of life ended 2021-12-1410.0.19041 → 1909-sac latest 10.0.18363 End of life ended 2021-05-1110.0.18363 → 1903-sac latest 10.0.18362 End of life ended 2020-12-0810.0.18362 → 1809-sac latest 10.0.17763 End of life ended 2020-11-1010.0.17763 → 2019 latest 10.0.17763 Supported until 2029-01-0910.0.17763 → 1803-sac latest 10.0.17134 End of life ended 2019-11-1210.0.17134 → See all upcoming end-of-life dates →

Frequently asked

Is Windows Server safe and patched?

Windows Server's security status could not be assessed at the last sync — vulnerability data was unavailable.

What should I do about Windows Server now?

Upgrade Windows Server to the latest supported release (10.0.26100) or later and apply available security updates, then confirm against Microsoft's official advisory.

When does Windows Server reach end-of-life?

The latest supported Windows Server release is 10.0.26100. After end-of-life a release no longer receives security patches.

Which versions of Windows Server are still receiving security updates?

Supported Windows Server release lines (latest 10.0.26100): 2025, 2022, 2019, 2016. End-of-life releases no longer receive security patches.

Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Microsoft's official advisory before you patch or upgrade — Windows Server official site ↗