Russian Hackers Exploit WinRAR Vulnerability CVE-2025-8088
In mid-2025, Russian state-sponsored threat groups, including RomCom (also known as Storm-0978), exploited a critical vulnerability in WinRAR (CVE-2025-8088) to target Ukrainian military and government organizations. The flaw, a path traversal vulnerability, allowed attackers to execute arbitrary code by delivering specially crafted RAR archives via spear-phishing emails. These campaigns led to unauthorized access, data theft, and potential disruption of critical operations within the targeted entities. Despite the release of WinRAR version 7.13 in July 2025, which addressed this vulnerability, many systems remained unpatched due to the software's lack of an automatic update mechanism. This oversight has enabled continued exploitation by various threat actors, underscoring the importance of timely software updates and robust cybersecurity practices to mitigate such risks.
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