CVE-2020-27874

CVE-2020-27874 is a high-severity remote code execution vulnerability affecting Tencent WeChat version 7.0.18, stemming from improper data validation in the WXAM Decoder that leads to a memory access error. Exploitation requires user interaction, such as visiting a malicious page or opening a malicious file, but can result in complete compromise of the affected process. While rated with a CVSS score of 8.8, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.