February 15, 2022—KB5010421 (OS Build 20348.558) Preview

February 15, 2022—KB5010421 OS Build 20348.558 Preview For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows Server 2022, see its update history page. Note Follow @WindowsUpdate to find...

Windows 10 Insider Preview Build 18362.84

Windows 10 Insider Preview Build 18362.84 Summary Microsoft released a new cumulative update to Window Insider program Slow, Fast and Release Preview rings. If you have updated to Build 18356.30 or 18362.53 – your device will be offered this build. This update also includes updates that come as...

September 26, 2018—KB4457136 (OS Build 16299.699)

September 26, 2018—KB4457136 OS Build 16299.699 Note This update has been re-released because of a missing solution. If you installed build 16299.697, please install this newer version of OS build 16299.699. Improvements and fixes This update includes quality improvements. No new operating system...

September 26, 2018—KB4458469 (OS Build 17134.320)

September 26, 2018—KB4458469 OS Build 17134.320 Note This update has been re-released because of a missing solution. If you installed build 17134.319, please install this newer version of OS build 17134.320. Improvements and fixes This update includes quality improvements. No new operating system...

Microsoft Windows RtlQueryRegistryValues() does not adequately validate registry data

Overview Microsoft Windows does not adequately validate registry data read using the function RtlQueryRegistryValues. By modifying an EUDC registry key value, a local user could execute arbitrary code with SYSTEM privileges. Description Microsoft Windows supports end-user-defined characters EUDC ...