emergency out of band

About this tag
The emergency out of band tag on WindowsForum.com covers Microsoft's unscheduled, critical updates released outside the normal Patch Tuesday cycle. Content focuses on Windows 11 23H2 KB5078132, an out-of-band cumulative update issued on January 24, 2026 to fix post-Patch Tuesday regressions, including cloud storage file-I/O issues and Outlook PST problems. These updates are offered to devices that already installed the January 13 security rollup or a prior out-of-band correction. Discussions highlight how emergency out of band patches address specific, urgent quality and reliability issues that cannot wait for the next scheduled update, providing targeted fixes for affected systems.
  1. Windows 11 23H2 KB5078132 OOB Update Fixes Cloud Storage and Outlook PST Issues

    Microsoft released an out‑of‑band cumulative update for Windows 11, version 23H2—KB5078132 (OS Build 22631.6495)—on January 24, 2026 to address a set of post‑Patch‑Tuesday regressions and to roll together prior January fixes into a single package for affected systems. The package is explicitly...