The public still doesn’t know who is abusing a critical Citrix vulnerability exploited as a zero-day weeks before disclosure, but we now know that the unknown digital intruders have used CVE-2026-88772 to break into government agencies, financial services firms, education organizations, and legal and professional services sectors across North America and Europe. And everyone agrees that the vendor took way too long to disclose the security holes.
Custom malware used in Citrix 0-day attacks targeting govt, banks, professional services
About this summary. This is a short, independently written summary of an article first published by The Register. Cyber Security News did not report or verify the underlying story. Read the original: https://www.theregister.com/security/2026/09/29/custom-malware-used-in-citrix-0-day-attacks-targeting-govt-banks-professional-services/5299867

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