Microsoft Updates Windows 11 25H2 Media Creation Tool Image

Microsoft updated the Windows 11 25H2 image in its Media Creation Tool, integrating the September cumulative update KB5124008 and fixing 974 vulnerabilities.

September 15, 2026, 05:19 AM·1 views

Photo: IT之家

Microsoft has updated the Windows 11 25H2 image within its Media Creation Tool. The installation now includes the September cumulative update KB5124008, bringing the system version to Build 26200.9445.

The September update addresses a total of 974 vulnerabilities, marking a 1,032.6% increase compared to the previous year. Of these, 723 fixes apply to various Windows systems, including Windows 10, Windows 11, and Windows Server.

Specifically for Windows 11 24H2 and 25H2 versions, the update resolves 611 vulnerabilities. Additionally, the release introduces official support for docking the taskbar on all four sides of the screen for the first time.