patch tuesday

Microsoft’s September Patch Tuesday for Windows 11 arrives as a compact but consequential rollup: KB5030219 (OS Build 22621.2283) packages a mix of security fixes, several targeted reliability patches, and a handful of small user‑facing behavior changes — most notably removing a stray Sticky...

Microsoft quietly paused non‑security preview releases for Windows 10 in December 2020, telling administrators and enthusiasts that the company would limit optional “C” (preview) releases during the Western holiday period while still delivering essential security fixes, and that normal servicing...

Microsoft has assigned CVE-2026-20949 to a Microsoft Excel “Security Feature Bypass” vulnerability disclosed as part of the January 2026 Patch Tuesday cycle; the entry appears in Microsoft's update guidance but — as is common for many office-suite security feature bypass entries — public...

Microsoft’s confirmation that CVE-2026-20873 is an elevation-of-privilege defect in Windows Management Services (WMS) changes this month’s patch calculus for administrators and incident responders: the issue is vendor-acknowledged, distributed in the January 2026 security rollup, and demands...

Microsoft’s January 2026 security update wave confirmed an elevation-of-privilege vulnerability in the Desktop Window Manager (DWM) component of Windows, tracked as CVE-2026-20871, and the vendor’s advisory attaches a “confidence” metric that explicitly signals how certain Microsoft is about the...

Microsoft’s Security Update Guide registers CVE-2026-20861 as an Elevation of Privilege vulnerability in Windows Management Services (WMS) — a management‑plane component that routinely runs with elevated privileges — and the flaw was included in Microsoft’s January 13, 2026 Patch Tuesday rollup...

Microsoft’s January 2026 security rollup includes a confirmed elevation‑of‑privilege issue affecting Windows Management Services tracked as CVE‑2026‑20923; the vendor record in the Microsoft Security Update Guide marks the flaw as an Elevation of Privilege and places it in the January 13, 2026...

Microsoft has begun rolling out the January 2026 Patch Tuesday for Windows 11 — KB5074109 — advancing 25H2 systems to Build 26200.7623 (and 24H2 to Build 26100.7623) with a package that is primarily a quality-and-stability cumulative but also carries staged feature activations for Copilot-era...

Microsoft has quietly rolled out targeted fixes that repair several high‑impact UI and servicing regressions in Windows 11 versions 25H2 and 24H2, addressing everything from the long‑running “Update and shut down” misbehavior to a jarring dark‑mode regression in File Explorer and an emergency...