IIS Web Server: Releases, patches & end-of-life
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Lifecycle guide for IIS Web Server from Microsoft

All releases, patches, maintenance and support periods at a glance

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📅 Last update on 2026-03-06

What is IIS Web Server?

Automate product release and end-of-life managementInternet Information Services (IIS) for Windows® Server is a flexible, secure and manageable Web server for hosting anything on the Web. From media streaming to web applications, IIS"s scalable and open architecture is ready to handle the most demanding tasks.
 

The entire lifecycle of IIS Web Server

The following figure shows you the visualised product life cycle of IIS Web Server. You can see all releases with the latest patch version, the long-term support characteristics (orange flag in the green circle, the periods for version provision, maintenance and support.
IIS Web Server (Microsoft) release, version and end-of-life information
XIIS Web Server (Microsoft) release, version and end-of-life information
Figure: Release, patch and end-of-life cycle of product IIS Web Server (Microsoft)
 

What is the IIS Web Server release strategy?

The Extended Security Update (ESU) program is a last resort option for customers who need to run certain legacy Microsoft products past the end of support. It includes Critical* and/or Important* security updates for a maximum of three years after the product's End of Extended Support date.

Facts and figures about IIS Web Server

Product
IIS Web Server
Vendor
Microsoft
Latest version
10.0
Number of releases
9
Number of versions
12
Number of unstable versions
0
Number of versions affected by CVE
11
Licence
Commercial
Wikipedia
https://en.wikipedia.org/wiki/Internet_Information_Services
 
 

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Lukas Böttcher
Lukas Böttcher
Business Development Manager
P:  +49-30-221986-51
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