Out-of-band update to address a remote code execution exploit in the Windows Print Spooler service.
Read more: July 6, 2021—KB5004951 (Security-only update) Out-of-band
Source: https://support.microsoft.com/en-us/help/4565539
Direct download links for KB4565539 (ESU only) MSU file from Microsoft Update Catalog:
:ar: Download KB4565539 MSU for Windows 7 32-bit (x86) - 29.5 MB
:ar: Download KB4565539 MSU for Windows 7 64-bit (x64) - 49.5 MB