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Nargiz Naghiyeva
Nargiz Naghiyeva

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Understanding a Vulnerability: CVE-2021-34527 Detail

Brief Summary

Vulnerability Name: PrintNightmare (Microsoft Windows Print Spooler Remote Code Execution Vulnerability).
Description: A remote code execution (RCE) vulnerability that triggers when the Windows Print Spooler service improperly executes privileged file operations.
Impact: A successfully authenticated attacker can exploit this flaw to run arbitrary code with SYSTEM privileges. Consequently, the attacker gains the ability to install programs, view, alter, or delete data, and generate brand new user accounts possessing full local administrator rights.
Severity Rating: 8.8 HIGH (Based on the official CVSS 3.1 vector string provided in the NVD text).

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