Microsoft Windows 11
The tech giant’s September update addressed nearly 1,000 security flaws, making it one of the company’s biggest Windows security releases. USB audio devices also affected The September update also created problems for some USB Audio Class 1.0 devices. For Windows 11 version 26H1, Microsoft has also included protections for two elevation-of-privilege vulnerabilities. These are tracked as CVE-2026-62721, affecting the Windows User-Mode Power Service, and CVE-2026-85921, affecting Windows Secure Kernel Mode. More Windows versions get the emergency update Microsoft is rolling out the fixes for Windows 11 versions 26H1, 25H2 and 24H2. Updates have also been released for Windows Server 2025 and 2022, Windows 10 LTSC versions, and Windows Server 2012 and Windows Server 2012 R2. The company issued four emergency updates in January following problems with a Windows 11 update.
The latest updates come after its record-breaking September Patch release introduced a fresh set of bugs. The out-of-band update is not limited to fixing bugs introduced by the September update. Microsoft also released an emergency update in July to address an Intel driver problem that affected performance and battery life.
Microsoft said related tools such as Microsoft Management Console, RDS Licensing Diagnoser, File Explorer and the Windows Update page could also stop responding. If the earlier September update is already installed, Microsoft says the device will download and install only the new fixes included in the out-of-band update. Microsoft has started rolling out new Windows emergency updates. The latest out-of-band update is meant to fix bugs affecting Remote Desktop Services, Hyper-V-based Linux virtual machines and some USB audio devices. But some of the fixes also created problems for businesses, developers and gamers. Microsoft is now rolling out the emergency update to supported Windows versions. Here’s what Microsoft is fixing with the latest update. One of the biggest issues affected Remote Desktop Services (RDS) after users installed the September security update. Servers could also become unresponsive while configuring Remote Desktop. The new update addresses these problems. Hyper-V Linux folder sharing gets a fix Microsoft is also fixing an issue involving Hyper-V virtual machines running Linux. Some apps using HCS-managed virtual machines could not properly access folders shared from the Windows host through Plan9. In some cases, the shared folders simply did not appear inside the Linux virtual machine. The emergency update addresses this problem. Why Microsoft is issuing more emergency updates Out-of-band Windows updates were once relatively unusual. This year, however, Microsoft has had to use them more frequently. Two more followed in March after installation failures and Microsoft account sign-in issues. The latest update shows the growing challenge Microsoft faces as it tries to fix an increasing number of security vulnerabilities while also making sure those fixes do not create new problems for Windows users. Get the latest technology news and updates. Download the TOI App.
However, some failed when users switched to multichannel features, including 8-channel and 3D audio modes.
Microsoft has fixed this particular issue, although it says some other USB audio problems remain unresolved. In some environments, RDS became unstable. Users could face problems connecting or signing into Remote Desktop sessions. These devices continued to work normally with standard stereo audio. Security fixes included too