Wednesday, October 27, 2021

Threat Brief: Windows Print Spooler RCE Vulnerability (CVE-2021-34527 AKA PrintNightmare)

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Executive Summary

On July 1, 2021, Microsoft released a security advisory for a new remote code execution (RCE) vulnerability in Windows, CVE-2021-34527, referred to publicly as “PrintNightmare.” Security researchers initially believed this vulnerability to be tied to CVE-2021-1675 (Windows Print Spooler Remote Code Execution Vulnerability), which was first disclosed in the Microsoft Patch Tuesday release on June 8, 2021. Microsoft has since updat…

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