Buffer overflow in AgRpcCln.dll for Trend Micro ServerProtect 5.58 for Windows before Security Patch 3 Build 1176 allows remote attackers to execute arbitrary code via unknown vectors related to RPC requests. NOTE: this is probably a different vulnerability than CVE-2007-2508.
http://www.trendmicro.com/ftp/documentation/readme/spnt_558_win_en_securitypatch3_readme.txt