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CVE-2021-34527

Microsoft | WindowsAdded 2021-11-03Remediation Deadline 2022-05-03Active Ransomware Campaign

Microsoft Windows Print Spooler Remote Code Execution Vulnerability

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.

Required Action

Apply updates per vendor instructions.

Weakness Classification

CWE-269

References

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