Security News > 2021 > July > Microsoft pushes emergency update for Windows PrintNightmare zero-day
Microsoft has released the KB5004945 emergency security update to fix the actively exploited PrintNightmare zero-day vulnerability in the Windows Print Spooler service impacting all Windows versions.
Windows 7 SP1 and Windows Server 2008 R2 SP1. Windows Server 2008 SP2. Security updates have not yet been released for Windows 10 version 1607, Windows Server 2016, or Windows Server 2012, but they will also be released soon, according to Microsoft.
"Updates for the remaining affected supported versions of Windows will be released in the coming days."
These work out of the box on Windows 7, 8, 8.1, 2008 and 2012 but require Point&Print configured for Windows 2016,2019,10 & 11(?). https://t.
Microsoft urges customers to install these out-of-band security updates immediately to address the PrintNightmare vulnerability.
CISA has also published a notification on the PrintNightmare zero-day last week encouraging admins to disable the Windows Print Spooler service on servers not used for printing.
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