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Known update issues

KB5079473 – known issues and fixes

KB5079473 is a Microsoft update from Patch Tuesday March 2026, released on 10 Mar 2026. According to the Security Update Guide it fixes 8 vulnerabilities (Windows). Affected according to our entries: Microsoft Windows 11 (KB5079473 and later). Known issues with this update: 1 open.

1Open
0Workaround
0Fixed
8Vulnerabilities fixed

← All known issues

Known issues with KB5079473

OpenKnown issueCommunity reportCheck script

Windows 11 KB5079473: IPP-over-USB multifunction printers lose scan or fax

After KB5079473, the scan or fax function of USB multifunction printers that use IPP-over-USB (Internet Printing Protocol over USB) is reported to stop working. This is reported by users, not yet confirmed by the vendor. Only one report from a single source is known, and it is described as unresolved.

Microsoft · Windows 11 (KB5079473 and later)

Where the information comes from

We continuously read the vendors’ official sources, community reports and trade media and summarise them in our own words, with a link to the source:

  • Microsoft: Windows release health (Windows 10/11, Server 2016 to 2025), Windows message center, known issues of Microsoft 365 Apps (Outlook, Excel, Word, PowerPoint), Edge, Intune, Autopilot, Windows 365 and Entra Connect, Microsoft KB articles with timelines, Exchange and Windows IT Pro blogs, optionally Microsoft 365 service health and message center
  • other vendors: Veeam KB, Citrix (known issues), Ubuntu and Debian (regressions), Broadcom (VMware), Fortinet, Cisco, Mozilla, Let’s Encrypt
  • community (title, short excerpt and link only, without the names of the authors): Microsoft Q&A, Microsoft Tech Community (discussions), Veeam R&D Forums, Eleven Forum
  • targeted web research with AI (Claude), e.g. on the updates of the month – this also finds discussions on Reddit and in forums; such entries are labelled as community reports until the vendor confirms them
  • early warning from trade media (title and link only): Born’s Tech and Windows World, BleepingComputer, AskWoody, Windows Latest, Windows Central, gHacks, The Windows Club, Deskmodder, Dr. Windows, WindowsArea, Frankys Web, heise online

Summary and translation with AI (Claude by Anthropic) – without any data of visitors.

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