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Paramount Macrium Reflect through 2025-06-26 allows local attackers to execute arbitrary code with administrator privileges via a crafted .mrimgx backup file and a malicious VSSSvr.dll located in the same directory. When a user with administrative privileges mounts a backup by opening the .mrimgx file, Reflect loads the attacker's VSSSvr.dll after the mount completes. This occurs because of untrusted DLL search path behavior in ReflectMonitor.exe.
Reserved 2025-06-29 | Published 2025-08-04 | Updated 2025-08-04 | Assigner mitrewww.macrium.com/...ty-advisory-cve-2025-53394-cve-2025-53395
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