A fix for the PrintNightmare vulnerability might have disabled some printers on Windows. Microsoft issued security updated for Windows to fix a widely reportedly vulnerability called PrintNightmare that gave attackers control over a victim's computer. This flaw allowed attackers to remotely execute malicious code with system privileges and install programs, make changes in the existing programs, and create new s with full rights. After installing these updates, some s claim that the connection to their printer stopped working. Customers of Zebra printers have reportedly being calling customer care with complaints of not being able to print.
After updating with the security patch, Windows 10, several s started to complain of not being able to connect their printers with their PCs. These updates were aimed to fix a remote code execution exploit in the Windows Print Spooler service, known as “PrintNightmare”.
However, several printer s, specifically Zebra printer s, started complaining of issues. A Reddit explains, “We have about 1000 customers using Zebra printers and are getting flooded with calls from them not being able to print. This update is the culprit for sure as rolling it back has things spitting out again instantly.”
In a Microsoft is planning to release. Customers who need assistance regarding Zebra printers may our Technical Team.”
Of course, not all printer s have reported the issue and it is still recommended to update the fix as soon as possible. Microsoft released the patch for all existing Windows versions, hinting at the severity of the exploit.
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