CVE-2021-23891

CVE-2021-23891 is a privilege escalation vulnerability affecting McAfee Total Protection (MTP) versions prior to 16.0.32. A local attacker can exploit this by impersonating a client token, bypassing MTP's self-defense mechanisms. With a CVSS score of 7.8 (High), this vulnerability has a low attack complexity and requires local access, but can lead to high impacts on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.