Microsoft: Windows CLFS zero-day exploited by ransomware gang By Sergiu Gatlan April 8, 2025 03:05 PM 0 Microsoft says the RansomEXX ransomware gang has been exploiting a high-severity zero-day flaw in the Windows Common Log File System to gain SYSTEM privileges on victims' systems. The vulnerability, tracked as CVE-2025-29824, was patched during this month's Patch Tuesday and was only exploited in a limited number of attacks. CVE-2025-29824 is due to a use-after-free weakness that lets local at...