The March Patch Tuesday was a few days ago and has made people talk about why left an active vulnerability open and already widespread online in detail. This forced Microsoft to run for cover in a timely manner, and last Thursday he released one new cumulative patch not provided in order to fix the bug on SMBv3 in the latest versions of Windows 10 come on Windows Server.
The patch contains just a note within the official changelog: "Updates a network communication protocol issue that provides shared access to files, printers, and serial ports ". The patch released on March 12th therefore corrects the vulnerability with Microsoft Server Message Block 3.1.1 (SMBv3), updating the problem in the network communication protocol it provides "shared access to files, printers and serial ports".
The update was released on Windows Server and onWindows 10 1903 is 1909, also known as May 2019 Update and November 2019 Update, which reach builds 18362.720 is 18363.720. Unlike all patches outside Patch Tuesday, which are optional, the new critical patch will come installed automatically on any compatible Windows 10 PC running one of the two versions of Windows 10 involved in the update.
Bug on SMBv3: fix available on Windows Update
The user can however update your system manually through the screen Windows Update in the Settings of the operating system, or by downloading the packageKB4551762 to this address. The new patch also includes a known issue, already present on immediately preceding versions of the operating system: "When using Windows Server containers with the March 10, 2020 updates, you might encounter issues with 32-bit applications and processes ", we read about the notes released by Microsoft when the patch was published.