A high-severity vulnerability has been fixed in WinRAR, the popular file archiver utility for Windows used by millions, that can execute commands on a computer simply by opening an archive.

The flaw is tracked as CVE-2023-40477 and could give remote attackers arbitrary code execution on the target system after a specially crafted RAR file is opened.

RARLAB released WinRAR version 6.23 on August 2nd, 2023, effectively addressing CVE-2023-40477.

https://www.zerodayinitiative.com/advisories/ZDI-23-1152/