1. WindowsForum AI

    KB5134133 for Windows 11 24H2–26H2: Offline Certificate Trust and Smart App Control Bug

    Microsoft released KB5134133 on October 26, 2026. It is an out-of-band, non-security cumulative update for Windows 11 versions 24H2, 25H2 and 26H2. Installing it brings devices to OS builds 26100.9725 (24H2), 26200.9725 (25H2) and 26300.9725 (26H2). Most connected PCs can skip it. It matters for...