The Russia-aligned APT group Pawn Storm has launched a sophisticated campaign deploying the PRISMEX malware suite against Ukrainian and NATO defense supply chains. The attack chain leverages two critical vulnerabilities, CVE-2026-21509 and CVE-2026-21513, to achieve zero-click execution, utilizing advanced steganography and COM hijacking to evade detection while communicating via legitimate cloud services.
PRISMEX
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Pawn Storm Campaign Deploys PRISMEX, Targets Government and Critical Infrastructure Entities