Unsupported Windows Devices Will Lose Access to Security Updates in 2027
Summary
Microsoft says unsupported Windows devices will lose access to Windows Update when certificates expire in May and June 2027. Users and administrators should install specified updates on supported versions or upgrade unsupported devices.
Key points
- Windows Update certificates expire on May 17 and June 19, 2027; unsupported Windows versions will then lose access to Windows Update and receive no updates.
- Microsoft recommends upgrading devices on unsupported Windows client or server versions before the relevant certificate expiration dates.
- Required updates vary by Windows version; most listed supported versions need updates released in July 2026 or earlier specified updates.
- Windows 11 25H2 and later require no action; supported, up-to-date systems have already received replacement certificates.
- Microsoft advises administrators to identify older devices, deploy monthly updates, and plan upgrades.
- The certificate rotation does not apply to devices receiving updates through Windows Server Update Services (WSUS).
Article Details
- Event Type
- Upcoming Windows Update certificate rotation and expiration affecting unsupported Windows devices
- Impact
- Devices running unsupported Windows versions will lose access to Windows Update and stop receiving updates after certificates expire on May 17 and June 19, 2027. Microsoft advises upgrading unsupported devices and installing specified updates on supported versions before the applicable deadline. Devices receiving updates through WSUS are excluded.
Vendors
Products
Microsoft WindowsMicrosoft: Outdated Windows devices will stop receiving security updatesWindows Server Update Services (WSUS)However, this doesn't apply to devices that receive updates from Windows Server Update Services (WSUS), which downloads updates and distributes them across enterprise networks.Windows UpdateMicrosoft says devices running unsupported versions of Windows will stop receiving security updates after next year's Windows Update certificate rotation.