Improper handling of Unicode encoding in source code to be compiled by the Intel(R) C++ Compiler Classic before version 2021.6 for Intel(R) oneAPI Toolkits before version 2022.2 may allow an unauthenticated user to potentially enable escalation of privilege via network access.
http://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00674.html