msmq

Microsoft has quietly shipped an out‑of‑band update to undo a December security hardening that left Microsoft Message Queuing (MSMQ) unable to write its on‑disk message files on many enterprise systems, restoring queue functionality after a week of outages, confusing logs, and emergency...

Microsoft pushed an unscheduled out‑of‑band update after December’s Patch Tuesday to remediate a damaging regression in Microsoft Message Queuing (MSMQ) that prevented many applications and IIS‑hosted services from writing messages to disk. The failure was traced to a security hardening that...

Microsoft’s December patch cycle produced a compatibility regression that left Message Queuing (MSMQ) queues inactive, IIS sites throwing opaque “insufficient resources” errors, and enterprise message-driven applications unable to write messages — a problem Microsoft has confirmed and patched...

Microsoft issued emergency updates in mid‑December after a Patch Tuesday cumulative update broke Microsoft Message Queuing (MSMQ) on a swath of Windows 10 and Windows Server builds, leaving enterprise IIS sites and MSMQ‑dependent applications unable to create message files and producing...

Microsoft has issued emergency, out-of-band updates to repair a disruptive side effect of its December security patches that left Message Queuing (MSMQ) unable to write its storage files on a wide range of Windows client and server releases, a problem that forced immediate mitigation steps in...

Microsoft has quietly released an out-of-band emergency update for Windows 10 — KB5074976 — to repair a Message Queuing (MSMQ) regression introduced by the December 9, 2025 cumulative update, but the fix is not being pushed via Windows Update and must be downloaded manually from the Microsoft...

Microsoft acknowledged and — in some server channels — already shipped out-of-band patches that address a disruptive December 2025 regression which broke Microsoft Message Queuing (MSMQ) for many enterprise deployments, and administrators now face a short-term choice between applying...

Microsoft’s December patch wave has produced an awkward one‑two punch for administrators: the company’s security hardenings for Microsoft Message Queuing (MSMQ) fixed real vulnerabilities but also changed NTFS permissions in a way that broke queue persistence in many production environments —...

Microsoft’s December Patch Tuesday cumulative updates have broken Microsoft Message Queuing (MSMQ) for many enterprise environments, and — unusually — the vendor’s public guidance directs affected organizations to open a business support case rather than publish a one‑size‑fits‑all mitigation in...

Microsoft’s December security rollup has disabled Message Queuing (MSMQ) on a subset of legacy and enterprise Windows systems, leaving queues inactive, IIS sites throwing “Insufficient resources to perform operation” errors, and critical message pipelines broken until organizations choose...

Microsoft has warned that December’s security rollups include a change that can break Message Queuing (MSMQ) — an unexpected compatibility regression that has already caused IIS-hosted sites and legacy applications to fail, left enterprise message pipelines inactive, and forced administrators...

Microsoft has confirmed that its December 9, 2025 Patch Tuesday cumulative updates introduced a regression that breaks Microsoft Message Queuing (MSMQ) in many enterprise environments, leaving queues inactive, IIS-hosted applications throwing “Insufficient resources to perform operation” errors...

Microsoft has confirmed a serious regression in its December 2025 Extended Security Update (ESU) rollups for Windows 10 and several server builds: the cumulative patches that include KB5071546 (and companion KBs for older server SKUs) modify the Message Queuing (MSMQ) security model and NTFS...

Microsoft’s December patch wave has introduced a disruptive regression that breaks Microsoft Message Queuing (MSMQ) on a range of Windows builds, causing queues to go inactive and IIS‑hosted applications to fail when they attempt to write messages—an issue traced to tightened NTFS permissions on...

Microsoft's December cumulative update for Windows 10 ESU systems, shipped as KB5071546, has introduced a breaking change to Microsoft Message Queuing (MSMQ) that is rendering queues inactive, causing IIS-hosted applications to fail with “Insufficient resources to perform operation”, and...

Microsoft has acknowledged that the December 9–12, 2025 cumulative update for Windows 10 (notably KB5071546 for 22H2 ESU builds) introduced a regression that breaks Microsoft Message Queuing (MSMQ) by changing the component’s filesystem security semantics, causing queues to go inactive and...

Microsoft’s December Patch Tuesday has produced a painful and immediate headache for enterprises that still rely on Microsoft Message Queuing (MSMQ): multiple cumulative updates released on December 9–11, 2025 changed MSMQ’s filesystem security semantics and, in many environments, prevented...

Microsoft’s December Patchday produced an unexpected operational hazard for Message Queuing (MSMQ): a change to the MSMQ security model and NTFS permissions introduced with the December 9, 2025 cumulative updates can prevent applications and IIS sites from writing to message queues, causing...

Microsoft has published an advisory for CVE-2025-62455, a newly recorded elevation-of-privilege vulnerability in Microsoft Message Queuing (MSMQ) that affects installations where the MSMQ component is present and accessible; the vendor entry confirms the vulnerability identifier but offers only...

Microsoft’s August Patch Tuesday closed a dangerous mix of high‑impact remote code execution (RCE) flaws and a publicly disclosed Kerberos elevation‑of‑privilege (EoP) vulnerability that together raise the operational urgency for domain controllers, document‑processing servers, and any service...