Microsoft has released out-of-band security updates to address a critical Windows print spooler vulnerability. Persistent has created the following custom XML files to distribute the security patches. Please open a case with Persistent and request the required kb numbers.  

Windows Print Spooler Remote Code Execution Vulnerability

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34527

Here are all the bulletins that have the July 2021 OOB patch. These are applicable to x86 and x64 systems. Please open a support case with the required kb numbers. 

Windows 7 and Windows Server 2008 R2
July 6, 2021 KB5004953 (Monthly Rollup) Out-of-band

2021-07 Security Monthly Quality Rollup for Windows 7 for x86-based Systems (KB5004953)
2021-07 Security Monthly Quality Rollup for Windows 7 for x64-based Systems (KB5004953)
2021-07 Security Monthly Quality Rollup for Windows Server 2008 R2 for x64-based Systems (KB5004953)

Windows 8.1 and Windows Server 2012 R2
July 6, 2021 KB5004954 (Monthly Rollup) Out-of-band

2021-07 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB5004954)
2021-07 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB5004954)
2021-07 Security Monthly Quality Rollup for Windows Server 2012 R2 for x64-based Systems (KB5004954)

Windows 10 1607 LTSB and Windows Server 2016
July 7, 2021 KB5004948 (OS Build 14393.4470) Out-of-band

2021-07 Cumulative Update for Windows 10 1607 LTSB for x86-based Systems (KB5004948)
2021-07 Cumulative Update for Windows 10 1607 LTSB for x64-based Systems (KB5004948)
2021-07 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5004948)

Windows 10 Version 1809/LTSB and Windows Server 2019
July 6, 2021 KB5004947 (OS Build 17763.2029) Out-of-band

2021-07 Cumulative Update for Windows 10 Version 1809 for x86-based Systems (KB5004947)
2021-07 Cumulative Update for Windows 10 Version 1809 for x64-based Systems (KB5004947)
2021-07 Cumulative Update for Windows 10 LTSB Version 1809 for x86-based Systems (KB5004947)
2021-07 Cumulative Update for Windows 10 LTSB Version 1809 for x64-based Systems (KB5004947)
2021-07 Cumulative Update for Windows Server 2019 for x64-based Systems (KB5004947)

Windows 10 X64 Version 1909
July 6, 2021 KB5004946 (OS Build 18363.1646) Out-of-band

2021-07 Cumulative Update for Windows 10 Version 1909 for x86-based Systems (KB5004946)
2021-07 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5004946)

Windows 10 X64 Version 2004, 2009, 2104
July 6, 2021 KB5004945 (OS Builds 19041.1083, 19042.1083, and 19043.1083) Out-of-band

2021-07 Cumulative Update for Windows 10 Version 2004 for x86-based Systems (KB5004945)
2021-07 Cumulative Update for Windows 10 Version 2004 for x64-based Systems (KB5004945)
2021-07 Cumulative Update for Windows 10 Version 20H2 for x86-based Systems (KB5004945)
2021-07 Cumulative Update for Windows 10 Version 20H2 for x64-based Systems (KB5004945)
2021-07 Cumulative Update for Windows 10 Version 21H1 for x86-based Systems (KB5004945)
2021-07 Cumulative Update for Windows 10 Version 21H1 for x64-based Systems (KB5004945)