CVE-2015-2556

CVE-2015-2556 is an XML External Entity (XXE) vulnerability affecting InfoPath Forms Services in Microsoft SharePoint Server 2007 SP3 and 2010 SP2. This flaw allows remote attackers to read arbitrary files by exploiting how the service misparses DTDs within XML documents. While the CVSS score is 4.3 (medium severity) due to its network attack vector and medium complexity, it primarily leads to information disclosure (C:P). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, suggesting low current threat activity.