Microsoft has confirmed that the December 2025 security updates are breaking Message Queuing (MSMQ) functionality, affecting enterprise applications and Internet Information Services (IIS) websites.
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 ...
Three vulnerabilities have been discovered within the Microsoft Message Queuing (MSMQ) service – a proprietary messaging protocol designed to enable secure communication between applications running ...