CVE-2018-20252: RARLAB WinRAR

High severity, CVSS 7.8. EPSS: 3.6% chance of exploitation in the next 30 days.

In WinRAR versions prior to and including 5.60, there is an out-of-bounds write vulnerability during parsing of crafted ACE and RAR archive formats. Successful exploitation could lead to arbitrary code execution in the context of the current user.

Affected products

• RARLAB WinRAR: up to and including 5.60

Published 2019-02-05. Last modified 2026-06-17.