CVE-2021-34527 - Microsoft Windows Print Spooler Remote Code Execution Vulnerability

Microsoft | Windows

• Date Added:
• 2021-11-03

• Due Date:
• 2021-07-20

Vulnerability Name

Microsoft Windows Print Spooler Remote Code Execution Vulnerability

Description

Microsoft Windows Print Spooler contains an unspecified vulnerability due to the Windows Print Spooler service improperly performing privileged file operations. Successful exploitation allows an attacker to perform remote code execution with SYSTEM privileges. The vulnerability is also known under the moniker of PrintNightmare.

Known To Be Used in Ransomware Campaigns?

Known

Action

Apply updates per vendor instructions.

Additional Notes

Reference CISA's ED 21-04 (https://www.cisa.gov/news-events/directives/ed-21-04-mitigate-windows-print-spooler-service-vulnerability) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-04. https://nvd.nist.gov/vuln/detail/CVE-2021-34527

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