The zero-day vulnerability in Output Messenger was exploited by the Marbled Dust group to conduct espionage activities
Overview
Since April 2024, Microsoft has reported that a hacker group named Marbled Dust has been exploiting a critical security vulnerability (code CVE-2025-27920) in the messaging application Output Messenger—a cross-platform chat software. This gr...
blog.fiscybersec.com5 min read