kb5074109

Microsoft has confirmed that its January 2026 Patch Tuesday updates for Windows 11 introduced multiple regressions and has already shipped targeted fixes to address the most disruptive problems, but mixed reports and unacknowledged reports mean administrators and power users must act carefully...

Microsoft’s January cumulative for Windows 11, KB5074109, intended to harden Secure Boot and fix NPU power-drain problems, has instead introduced a cluster of high-impact regressions — from intermittent black screens on GPU systems to Outlook POP freezes, Azure Virtual Desktop authentication...

The January 13, 2026 cumulative update for Windows 11 (KB5074109) shipped important security and platform fixes — but early deployments have produced a cluster of regressions that range from intermittent black screens and wallpaper resets to Outlook Classic hangs for POP profiles, Azure Virtual...

Microsoft’s first Patch Tuesday of 2026 shipped on January 13 with a substantial Windows 11 cumulative—KB5074109—that advances consumer installs to OS Build 26200.7623 (25H2) and 26100.7623 (24H2), bundles servicing‑stack changes with the Latest Cumulative Update (LCU), and mixes security...

Microsoft has confirmed that the January 13, 2026 cumulative update for Windows 11, KB5074109 (OS builds 26100.7623 and 26200.7623), can cause classic Outlook POP account profiles to hang, freeze, or fail to exit properly, leaving users unable to restart Outlook or reliably save sent messages...

Microsoft’s January baseline cumulative, KB5074109, delivers a heavy set of security and quality fixes — including an important NPU power-state correction and preparatory Secure Boot certificate work — but it also introduced a client-side regression that can break Azure Virtual Desktop (AVD) and...

The January 13, 2026 cumulative update for Windows 11 (KB5074109) delivers a heavy-duty security and quality package — but it also created a sharp trade‑off for some users: critical CVE mitigations and an NPU-related battery fix arrive alongside a client-side regression that can break Azure...

Microsoft’s January cumulative update is preventing some users from connecting to Microsoft 365 Cloud PCs and Azure Virtual Desktop sessions, and Microsoft has acknowledged the regression — offering Known Issue Rollback (KIR) and temporary connection workarounds while an out‑of‑band fix is...

Microsoft’s January cumulative update, KB5074109, delivered more than routine security fixes — among the notable changes it updates the Windows-packaged SQLite runtime winsqlite3.dll to stop noisy false‑positive security alerts that some third‑party scanners were incorrectly raising. This...

Microsoft’s January cumulative for Windows 11, KB5074109, intended to deliver security fixes and platform improvements, has produced a ripple of real‑world problems: some PCs fail to install the package with servicing errors such as 0x800f0922 and 0x80070306, while other systems—particularly...

Microsoft released the January 13, 2026 security baseline today — published as KB5074109 — and enterprise administrators should treat this as both a mandatory security checkpoint and a practical reminder about the new Hotpatch servicing cadence for Windows 11 Enterprise (24H2 and 25H2). The...

Microsoft released the January 13, 2026 cumulative for Windows 11 as KB5074109, advancing 25H2 installs to OS Build 26200.7623 and 24H2 installs to OS Build 26100.7623, and distributing the package as one or more MSU files that must be applied in the correct sequence for offline servicing or...

Microsoft has published the January 13, 2026 cumulative security update for Windows 11 (KB5074109), and it’s available now via Windows Update and the Microsoft Update Catalog as a set of MSU packages that must be installed in a specific order for offline deployments and image servicing...