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.

Published 22 Sep 2026Updated 22 Sep 20263101 sources
CVSS 9.0 PoC CANDIDATE△ CISA KEV

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