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Every operating system reaching end-of-life
7 OS entries across every vendor we track — soonest first. Each links to the vendor’s own announcement.
OS →7 days
Microsoft Windows 11 23H2 stops receiving updates on the Enterprise, Education and IoT Enterprise editions
OS →37 days
Microsoft Azure Microsoft is retiring Azure Linux with OS Guard (preview) as a node pool operating system in Azure Kubernetes Service (AKS). Support ends December 10, 2026, after which no new Azure Linux with OS Guard node pools can be created and existing pools stop receiving node images and security patches; on March 10, 2027 AKS removes the node images entirely. Azure Container Linux is the named replacement.
OS →34 weeks
Canonical Ubuntu 26.10, the interim (non-LTS) release, reaches end of life on July 1, 2027 — about nine months after its October 15, 2026 release. After that date the 26.10 series stops receiving security updates and package fixes, so systems and `ubuntu:26.10` container images pinned to it no longer get patched.
OS ↙gone
CentOS / Red Hat CentOS Linux 7 reached end-of-life
OS ↙gone
Debian Debian 11 "bullseye" reached end-of-life as its Long Term Support (LTS) term ended
OS ↙gone
Microsoft Windows 11 24H2 stops receiving updates on Home, Pro, Pro Education and Pro for Workstations
OS ↙gone