There was a lot of talk about the Print Nightmare security flaw. Microsoft is releasing the latest versions of Windows, with the exception of the emergency update for Windows 7.
Earlier this month, Windows’ Print Nightmare security flaw was falsely exposed when Microsoft fixed it with a research team that had already discovered it. This is a significant 0-day flaw that, as its name implies, affects the Windows print service and especially the spoiler. If it is exploited, it will allow the code to be run remotely, and this will be easier, according to Microsoft.
Good news, vulnerability CVE-2021-34527, The serial number that Microsoft issued to Print Nightmare is now fixed. So it is necessary to download the update to fill the holes.
Windows 7 is also entitled to its update.
The urgency of the situation led Microsoft to use this update KB5004945 Outside of its regular release cycle. It is available in several versions of Windows 10: 21H1, 20H1, 2004, 1909, 1809, 1803 and 1507. It is also available on Windows 8.1 and Windows 7 SP1, but has been officially dropped by the company. On the enterprise side, Windows Server 2019, Windows Server 2012, Windows Server 2008 R2 SP1 and Windows Server 2008 SP2 are also affected.
Updates for each version of the system are detailed here.
To fix the bug, you need to go to Windows Update to download and install the update.