Microsoft has confirmed that the December 2025 security updates are breaking Message Queuing (MSMQ) functionality, affecting enterprise applications and Internet Information Services (IIS) websites.

This month's extended security update for Windows 10 broke Message Queuing (MSMQ), which is typically used by enterprises to manage background tasks. Microsoft says it identified a fix and is now ...

Windows security updates cause disruptions to Windows 10 and Server up to 2019 Message Queuing (MSMQ). Emergency updates resolve this. Early this week, it became known that the security updates for ...

Microsoft has hustled out an out-of-band update to address a Message Queuing issue introduced by the December 2025 update.… The patches, released for Windows 10 22H2 ESU, Windows 10 Enterprise LTSC ...

A security update issued on December Patch Tuesday changes the MSMQ security model, causing failures in programs ranging from POS to fire alarms. A warning from Microsoft that a Windows patch issued ...