Most affected printers are receipt or label printers that connect via USB.

“After installing this update, you might have issues printing to certain printers. Let’s learn about Fix Zero Day PrintNightmare fixes in the below sections. Known Issuesīelow were the statements made by Software Giant Microsoft and the Printer Maker Zebra after the issue surfaced. So, In this blog post, we will take a look at the ways to mitigate the issue caused by this update. While Initially the issue was reported only Zebra Made Printers later on same issues were reported on other printers too. Microsoft has acknowledged the issue and stated that it’s working on releasing a fix in the next 1-2 days. Hence Microsoft has recommended all its users disable the Print Spooler until the patches are applied. PrintNightmare bug (CVE-2021-34527) can be used by an attacker to perform any task like Modifying Data, Installing Programs, etc. Microsoft has recently released an Out-of-band patch KB5004945 to fix the PrintNightmare Vulnerability on the Print Spooler service for Windows 10 and earlier versions of the OS but soon after the release, a group of users has been reporting that the fix has been causing some unexpected issues with some printers.

Learn How to Fix Zero Day PrintNightmare Update issue.

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