CVE-2017-11856

CVE-2017-11856 is a memory corruption vulnerability in Microsoft Internet Explorer across various Windows versions, including Windows 7, 8.1, 10, and Server editions. This flaw allows an attacker to execute arbitrary code with the same user rights as the current user by manipulating how Internet Explorer handles objects in memory. Rated with a CVSS score of 7.5 (HIGH), it requires user interaction (UI:R) and has high impacts on confidentiality, integrity, and availability (C:H/I:H/A:H), but with high attack complexity (AC:H). While not listed in CISA's KEV catalog, its EPSS score indicates a higher exploitability probability than 95% of all CVEs, and it has received some media coverage and community discussion. There is no public exploit code available in Metasploit, Nuclei, or ExploitDB.