Microsoft has officially rolled out the October 2025 Patch Tuesday, a major milestone for millions of users worldwide — and a historic one. This update not only delivers the usual wave of monthly security patches but also marks the end of official support for Windows 10.
With this release, the Redmond giant is closing a chapter that began over a decade ago, shifting its focus entirely toward Windows 11 and future versions. In total, Microsoft addressed 175 security vulnerabilities, including 21 outside the core Windows ecosystem.
Windows 10: One Last Goodbye with 97 Fixes
For its final Patch Tuesday, Windows 10 receives the cumulative update KB5066791, which includes 97 security fixes, two of which are rated critical.
- CVE-2016-9535 – A buffer overflow vulnerability in LibTIFF that could lead to arbitrary code execution.
- CVE-2025-49708 – A privilege escalation flaw within the Microsoft Graphics component.
In addition to the security fixes, this final update resolves several long-standing issues, such as:
- A network connectivity bug in SMBv1 that could prevent access to shared files.
- A Windows Autopilot problem that caused setup failures during the Out-Of-Box Experience (OOBE).
This update is Windows 10’s final curtain call, closing the book on an OS that defined an era for both home and enterprise users.
Windows 11: Updates Across All Versions
While Windows 10 bows out, Windows 11 continues to evolve. Microsoft has released new cumulative updates for all supported versions:
🪟 Windows 11 23H2 – KB5066793
Fixes a remote communication issue involving PowerShell and WinRM, which previously caused command timeouts after 600 seconds.
🪟 Windows 11 24H2 – KB5066835
Includes the removal of the ltmdm64.sys driver, improves PowerShell Remoting stability, and resolves a print preview bug in Chromium-based browsers.
This update also introduces the new “Edit” command-line text editor and begins the gradual rollout of Copilot+ features.
🪟 Windows 11 25H2 – KB5066835
Receives the same patch set and enhancements as version 24H2, aligning both builds under the same servicing branch.
How to Install the Updates
As usual, all updates are available through Windows Update and will install automatically on most systems. For offline or enterprise environments, manual installation packages are also available via the Microsoft Update Catalog.
🔗 Direct download links:
- Download KB5066791 for Windows 10 22H2
- Download KB5066793 for Windows 11 23H2
- Download KB5066835 for Windows 11 24H2 and 25H2
Looking Ahead
With Windows 10 reaching end of support, Microsoft is fully transitioning to Windows 11 and its future iterations, emphasizing AI-driven experiences, tighter security, and modern hardware requirements.
For users still on Windows 10, upgrading is now more than a recommendation — it’s a necessity for continued protection and compatibility.
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