Fixed a print spooler problem called "Printnightmare" Microsoft's constant exception patch has revealed that some printers could cause problems.
PrintnightMare is a great security risk for companies using print spoolers on a Windows machine.Microsoft said that the problem was serious and rushed to a regular update program without waiting for the usual monthly update timing.
Printnightmare vulnerabilities are given the identifier of "CVE-2021-1675" and "CVE-2021-34527".
However, as the published patch installed, the company's customers have reported that some printers have caused problems.
Microsoft has already mentioned this issue.
The company may install a KB5003690 or later update program (including KB5004760 and KB5004945) on a known page of Windows 10 and may have problems in printing on a specific printer. In most cases.The affected printer is a receipt printer or label printer connected via USB. Note: This problem has nothing to do with CVE-2021-34527 or CVE-2021-1675. "
The company also said about the solution to this problem, "This problem will be solved using a rollback (KIR) of known issues. Automatically transmits solutions to consumer devices and business devices to be non -controlled.It may take up to 24 hours to do it. Restarting Windows devices may reduce the time in which the solution is applied to the device. Install an affected update and this problem has occurred.In the case of the enterprise management device, it can be solved by installing and configuring a special group policy.
Printer manufacturer Zebra Technologies acknowledged that some of the companies were affected by the problem.The most common symptom is that printing jobs are sent but not actually printed.
Microsoft has released an update for Windows 10 on July 6, and also offers a patch for Windows Server 2016, Windows Server 2012, and Windows 10 version 1607, which has ended support.The company also released a security update program for Windows 7, where the mainstream support ended in January 2020, due to the seriousness.
The company recommends the customer to disable the printing spooler until the patch is applied.
This patch affects the processing of a company installing a driver on a Windows machine.With this patch, general users will not be able to install printer driver software updates.Some security researchers have revealed that there is a way to avoid patches published by Microsoft.
This article edited by Asahi Interactive for an article from overseas RED VENTURES for Japan.