Security News
Microsoft has released an emergency fix for printing issues affecting Zebra and Dymo receipt or label printers caused by changes in the recently released KB5003690, KB5004760, and KB5004945 updates. Thursday night, Microsoft released an emergency fix for Windows 10 2004, Windows 10 20H2, and Windows 10 21H1 to resolve these issues.
Microsoft's recent out-of-band KB5004945 PrintNightmare security updates are preventing Windows users from printing to certain Zebra printers. Windows 8.1 and Windows Server 2012 R2. Windows 7 SP1 and Windows Server 2008 R2 SP1. Windows Server 2008 SP2. However, researchers quickly determined that these patches did not fix the vulnerability in all cases.
The Cybersecurity and Infrastructure Security Agency has issued a notification regarding the critical PrintNightmare zero-day vulnerability and advises admins to disable the Windows Print Spooler service on servers not used for printing. "CISA encourages administrators to disable the Windows Print spooler service in Domain Controllers and systems that do not print," the US federal agency said.
The printer fixing roller coaster continues as Microsoft is once again rolling out the KB5001649 out-of-band update to users via Windows Update. After installing the March 2021 Patch Tuesday updates, users began reporting that Windows 10 would crash when printing or print jobs would be missing graphics elements, have blank pages, or other issues.
Microsoft has released the Windows 10 KB5001649 emergency update to fix printing issues plaguing users since the March 2021 Patch Tuesday updates. Many users have reported that Windows 10 would crash when printing with an "APC INDEX MISMATCH for win32kfull.sys" error or printed pages would have missing graphics, black bars, or blank pages.
Microsoft says that customers might experience additional printing issues besides blue screen crashes after installing Windows 10 updates released earlier this month. According to Microsoft, these recent Windows 10 updates will cause issues when printing from some apps or when printing to some printers, including missing or solid color graphics, misalignment/formatting issues, or printing blank pages/labels.
Update: Microsoft now warns of additional issues when printing after installing the March updates. Microsoft has released out-of-band non-security updates to fix a know Windows 10 issue causing blue screens when printing to network printers after installing the March 2021 cumulative updates.
Update: Microsoft has released out-of-band non-security updates to address the Windows 10 printing crash issue. Microsoft has provided a temporary fix for the Windows 10 blue screen crashes plaguing customers when printing after installing the March 2021 cumulative updates.
Update: Microsoft has released out-of-band non-security updates to address the Windows 10 printing crash issue. The Windows 10 KB5000802 and KB5000808 cumulative updates released yesterday are causing Blue Screen of Death crashes when printing to network printers.
Mozilla has slowed the rollout of Firefox 82 just two days after its release due to printing bugs and crashes in the new version. Mozilla Firefox 82 was released on October 20th, with only a few improvements in performance and its Picture-in-Picture feature.