Microsoft Windows Print Spooler Remote Code Execution Vulnerability

Added Nov. 3, 2021 • Due July 20, 2021 • CVE-2021-34527

Overdue Microsoft / Windows Known Ransomware Use CWE-269

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.

Required Action

Apply updates per vendor instructions.

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

Additional Information

Catalog Version: 2025.01.24
Catalog Released: Jan. 24, 2025
Days Until Due: 0 days
Last Updated: 4 months, 1 week ago