threat-intel Russian Attackers Weaponize WinRAR Flaw Against Ukrainian Orgs Russian threat actors, including Shadow-Earth-066 (UAC-0226) and Earth Dahu (Primitive Bear, Shuckworm), are continuing to exploit a long-standing vulnerability (CVE-2025-8088) in WinRAR to conduct data theft and cyber espionage against Ukrainian government and military organizations. Despite the vulnerability being pa… Dark Reading · Jun 9, 2026 High CVE-2025-8088CVE-2023-38831RUUAwinrarvulnerabilitycyberespionage
threat-intel WinRAR Flaw Exploited by Russia-Aligned Groups to Deploy Stealers in Ukraine A vulnerability in WinRAR, first identified in July 2025, is being exploited by Russia-aligned cyber groups to deploy malware targeting Ukrainian organizations. The attackers, including Earth Dahu and SHADOW-EARTH-066, a… The Hacker News · Jun 9, 2026 High CVE-2025-8088RUUAwinrarexploitukraine
threat-intel Gamaredon Exploits WinRAR to Deliver GammaWorm and GammaSteel Against Ukraine The Gamaredon group is exploiting a WinRAR vulnerability (CVE-2025-8088) to deploy a multi-stage malware campaign targeting Ukraine. This campaign utilizes GammaWorm and GammaSteel, designed for data theft and persistenc… The Hacker News · Jun 2, 2026 High CVE-2025-8088CVE-2026-21509RUUAwinrarmalwarevulnerability