WSUS HTML Report (PowerShell)

Generates a single-page HTML dashboard for WSUS: target-group inventory, KB deployment status (timeline + donuts), per-KB computer states, and a table of computers with failed updates.

Features

Computers by Target Group (table + pie).
KB status per group: Installed vs Missing and approval age timeline.
Per-KB list of affected computers (hidden sections you can expand).
Failed updates: computers in error.

Requirements

Run on the WSUS server as Administrator.

Module: PSWriteHTML

Install-Module PSWriteHTML -Scope CurrentUser

WSUS API available (either the UpdateServices module or Microsoft.UpdateServices.Administration.dll at
"%ProgramFiles%\Update Services\Tools\Microsoft.UpdateServices.Administration.dll").
The script uses -Online (CDN assets). Remove that flag if your server has no internet.

Quick start

# 1) Save the script as: C:\Scripts\Wsus-Report.ps1
# 2) Run it (elevated)
powershell.exe -NoProfile -ExecutionPolicy Bypass -File C:\Scripts\Wsus-Report.ps1
# Output:
#   C:\exploit\report\default.htm

Customize

Output path: $outFile (default C:\exploit\report\default.htm).
Exclusions for titles (ARM64, SSU, Flash, etc.) in the KB section.
Table/chart IDs if you embed multiple reports.

Full article

https://blog.wuibaille.fr/2024/10/creating-a-wsus-dashboard/