Microsoft has launched a cumulative out-of-band replace to repair a recognized printing situation stopping some printers and scanners from working accurately.
“Addresses a problem with gadgets that don’t adjust to part 3.2.1 of the RFC 4556 specification,” Microsoft explains within the KB5005394 assist doc.
“Noncompliant printers, scanners, and multifunction gadgets may not work whenever you use good card authentication (PIV). This situation happens after you put in the July 13, 2021 replace on area controllers (DC) in your setting.”
Mounted on a restricted variety of affected Home windows variations
The printing points have an effect on each consumer and server Home windows platforms, beginning with Home windows 7 SP1 / Home windows Server 2008 SP2 and later:
- Consumer: Home windows 10, model 21H1; Home windows 10, model 20H2; Home windows 10, model 2004; Home windows 10, model 1909; Home windows 10, model 1809; Home windows 10 Enterprise LTSC 2019; Home windows 10 Enterprise LTSC 2016; Home windows 10, model 1607; Home windows 10 Enterprise 2015 LTSB; Home windows 8.1; Home windows 7 SP1
- Server: Home windows Server, model 20H2; Home windows Server, model 2004; Home windows Server, model 1909; Home windows Server, model 1809; Home windows Server 2019; Home windows Server 2016; Home windows Server 2012 R2; Home windows Server 2012; Home windows Server 2008 R2 SP1; Home windows Server 2008 SP2
Nevertheless, based mostly on the assist doc printed in the present day, the KB5005394 cumulative replace launched in the present day by Microsoft solely applies to Home windows 10 1809, Home windows Server 1809, and Home windows Server 2019.
This out-of-band replace can solely be put in manually as a standalone bundle obtainable for obtain by way of the Microsoft Update Catalog.
When it confirmed this known printing issue on Friday, Microsoft additionally added that each one affected good card authenticating gadgets ought to work as anticipated when utilizing username and password authentication.
Concern attributable to safety flaw hardenings
The recognized situation is attributable to hardening adjustments for CVE-2021-33764. It solely impacts good card authenticating printers, scanners, and multifunction gadgets, which “do not assist DH or promote assist for des-ede3-cbc (“triple DES”) through the Kerberos AS request.”
Affected Home windows 10 customers are suggested to first examine if they’ve the most recent drivers and firmware put in for non-compliant and misbehaving printers or scanners.
If the gadgets are up-to-date, impacted customers ought to contact the machine producer and ask for setting adjustments or updates to make the printer or scanner compliant with the CVE-2021-33764 hardenings deployed through July’s Home windows 10 safety updates.
Microsoft remains to be working to mitigate the difficulty on all affected Home windows variations to re-enable printing and scanning on impacted gadgets.
“This can enable time for machine producers to launch compliant firmware and drivers for his or her gadgets,” Microsoft explains.
“Additional, it ought to enable time to replace settings, firmware, and drivers in your setting and make them compliant.”