hotpatching

Microsoft’s latest Windows 11 preview release signals a notable shift in how Microsoft will deliver security fixes: a preview hotpatch that installs without forcing a system restart, promising less downtime for users and faster compliance for administrators while exposing new operational...

A recent emergency WSUS patch intended to close a critical remote‑code‑execution hole instead produced an unexpected outage in Microsoft’s restart‑free Hotpatch delivery for a small number of Windows Server 2025 instances — a servicing mishap that forced affected systems off the Hotpatch cadence...

Microsoft confirmed that an October out‑of‑band WSUS update (KB5070881) was mistakenly distributed to some Windows Server 2025 machines enrolled in Microsoft’s Hotpatch program, briefly breaking Hotpatch eligibility for a limited number of servers and creating a predictable three‑month...

Microsoft is asking enterprise customers to seriously consider hotpatch updates — a reboot‑less, security‑only servicing model for Windows that promises faster installs, smaller downloads, and far fewer forced restarts than the traditional Patch Tuesday cadence. Background / Overview Hotpatching...

Microsoft began a staged global rollout of the Windows 11 2025 Update — Windows 11, version 25H2 — on September 30, 2025, delivering the release primarily as a small enablement package that flips on features already staged in the 24H2 servicing branch; rather than a flashy consumer reboot, this...

Microsoft’s May 13, 2025 hotpatch for Windows PowerShell, released as KB5061096, is a narrowly scoped security update aimed at reducing immediate exposure for hotpatch‑eligible systems while preserving uptime for high‑availability deployments; it applies only to devices enrolled in Microsoft’s...

Microsoft released KB5064010 on August 12, 2025 — a hotpatch that updates eligible Windows 11 Enterprise LTSC 2024 and certain Windows Server Azure Edition builds to OS Build 26100.4851, delivering narrowly scoped security hardening without the usual restart required by cumulative updates...

Microsoft released a targeted hotpatch—KB5065474—on September 9, 2025, for Windows 11 Enterprise (24H2 / LTSC 2024) that advances eligible devices to OS Build 26100.6508, delivers a focused app-compatibility / UAC repair, and includes two operational advisories administrators must treat as high...

Microsoft released a targeted hotpatch on September 9, 2025 — KB5065474 — for Windows 11 Enterprise (version 24H2 / LTSC 2024) that advances eligible machines to OS Build 26100.6508, delivers a focused app-compatibility/UAC fix, bundles a servicing stack update (SSU), and warns administrators...

Microsoft has released KB5066360, a targeted hotpatch for Windows PowerShell that addresses PowerShell Direct (PSDirect) connectivity failures and a narrow host‑to‑guest exposure introduced by the September 2025 security/hotpatch cycle; the package updates PowerShell assemblies to OS Build...

September 9, 2025 — KB5065474: Hotpatch for Windows 11 Enterprise (24H2) — Full summary, impact, and deployment guidance TL;DR — What you need to know right now Microsoft released hotpatch KB5065474 on September 9, 2025 for Windows 11 Enterprise (24H2 / LTSC 2024). After installation eligible...

Microsoft has released KB5066360, a targeted hotpatch for Windows PowerShell that corrects an interoperability and security regression affecting PowerShell Direct (PSDirect) when host and guest virtual machines are unevenly patched; the update is a no-restart hotpatch for eligible systems and...

Microsoft’s September 9, 2025 Patchday brought a dense, operationally important set of fixes for Microsoft Office alongside a much larger ecosystem update—roughly eighty CVEs across Windows, Office, Azure and related components—forcing administrators to treat this month’s release as more than...

Microsoft’s September Patch Tuesday delivers a heavy, operationally urgent security package: more than 80 CVEs across Windows, Office, Hyper‑V, Azure components and developer libraries, including eight items Microsoft rates critical and two vulnerabilities that were publicly disclosed before the...

Microsoft pushed its September 2025 monthly security updates on Patch Tuesday, delivering a broad set of fixes that address dozens of vulnerabilities across Windows client, server, and Microsoft server products — including multiple emergency severity fixes for remote code execution and a...

Microsoft released a September 9, 2025 hotpatch—KB5065474—for Windows 11 Enterprise LTSC 2024 that advances hotpatch coverage to a new OS build (26100.6508), addresses a notable UAC/MSI compatibility issue, and includes a known‑issue advisory that affects PowerShell Direct (PSDirect)...

Microsoft has released the September 2025 cumulative security update for Windows 11, version 24H2 — KB5065426 (OS Build 26100.6584) — a combined Latest Cumulative Update (LCU) and Servicing Stack Update (SSU) that delivers security hardening, targeted bug fixes, AI component updates for Copilot+...

Microsoft has published KB5066360, a hotpatch that updates Windows PowerShell on Windows 11 Enterprise LTSC 2024 to OS Build 26100.6569, addressing a specific PSDirect connectivity failure that could, under narrow conditions, allow unauthorized non-administrator access between host and guest...

Microsoft has added a new chapter to Windows update management: Microsoft Intune will gain dedicated Windows Quality Update management policies that let administrators approve, approve automatically, and stage individual quality updates — including non-security preview and out‑of‑band releases —...

Microsoft’s August rollout tightened the screws on enterprise readiness while pushing AI deeper into Windows’ DNA — security hardenings, lifecycle milestones, and practical tooling dominated the month as Microsoft readied Windows 11 version 25H2 for general release. The update cadence in August...