PrintNightmare is a vulnerability tracked across 2 threat clusters and 4 intelligence report mentions on ThreatCluster. First observed March 11, 2026; most recent activity June 17, 2026.
On March 10, 2026, Microsoft released its Patch Tuesday updates, fixing 79 vulnerabilities, including two zero-day flaws. The updates address critical vulnerabilities across various products, with one zero-day actively…
CVE-2021-34527, known as 'PrintNightmare', is a critical remote code execution vulnerability affecting the Windows Print Spooler service. Initially thought to be related to CVE-2021-1675, it was identified on July 1,…