PrintNightmare - remote code execution

Megahertz07

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A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. An attacker who successfully exploited this vulnerability could run arbitrary code with SYSTEM privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

KB5004951 - Security only - Microsoft Update Catalog
or
KB5004953 - Monthly Quality Rollup - Microsoft Update Catalog

It will fail to update and revert settings if you don't have ESU (Windows 7 Extended Security Updates) - Paid

Use Single file with all updates - Simplix to install the patch
 
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