Windows Server Core 2012-r2 · Version Status
Windows Server Core 2012-r2 End of Life Date
Windows Server Core 2012-r2 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
⚠
Windows Server Core 2012-r2 is past end of life. This version no longer receives security patches. 942 days past EOL — migrate to a supported version immediately.
EOL Date
Oct 10, 2023
942 days past EOL
Latest Release
6.3.9600
LTS release
Release Date
Nov 25, 2013
Windows Server Core 2012-r2 series
All Windows Server Core Versions
| Version | Latest | EOL Date | Status |
|---|
| 2008-sp2 LTS |
6.0.6003 |
Jan 14, 2020 |
EOL |
| 2008-r2-sp1 LTS |
6.1.7601 |
Jan 14, 2020 |
EOL |
| 2012 LTS |
6.2.9200 |
Oct 10, 2023 |
EOL |
| → 2012-r2 LTS |
6.3.9600 |
Oct 10, 2023 |
EOL |
| 2016 LTS |
10.0.14393 |
Jan 12, 2027 |
Active |
| 1607 |
10.0.14393 |
Jan 11, 2022 |
EOL |
| 1709 |
10.0.16299 |
Apr 9, 2019 |
EOL |
| 1803 |
10.0.17134 |
Nov 12, 2019 |
EOL |
What does Windows Server Core 2012-r2 end of life mean?
When Windows Server Core 2012-r2 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 Server Core 2012-r2 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Windows Server Core 2025 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Windows Server Core 2012-r2 reach end of life?
Windows Server Core 2012-r2 reached end of life on October 10, 2023. This version is no longer receiving security patches.
Is Windows Server Core 2012-r2 still supported?
No. Windows Server Core 2012-r2 reached end of life on October 10, 2023 and is no longer receiving security patches.
What should I upgrade to from Windows Server Core 2012-r2?
The recommended upgrade from Windows Server Core 2012-r2 is
Windows Server Core 2025 — the latest actively supported version. Check the
Windows Server Core full timeline for all supported versions.
What are the security risks of running Windows Server Core 2012-r2 past EOL?
When Windows Server Core 2012-r2 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no remediation path. Most vulnerability scanners do not flag this — it is the CVE blind spot. Organizations running EOL Windows Server Core should migrate immediately or implement compensating controls.