Week in review: 2 threat actors exploiting WinRAR 0-day, Microsoft fixes “BadSuccessor” Kerberos flaw

Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: WinRAR zero-day was exploited by two threat actors (CVE-2025-8088) The RomCom attackers aren’t the only ones that have been leveraging the newly unveiled WinRAR vulnerability (CVE-2025-8088) in zero-day attacks: according to Russian cybersecurity company BI.ZONE, a group tracked as Paper Werewolf has been using it to target Russian organizations. Microsoft fixes “BadSuccessor” Kerberos vulnerability (CVE-2025-53779) For August 2025 Patch Tuesday, … More →

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