XnView Classic for Windows Version 2.40 allows user-assisted remote attackers to execute code via a crafted JPEG 2000 file that is mishandled during the opening of a directory in "Browser" mode, because of a "Stack Buffer Overrun" issue.
Severity
CVSS 3.0
7.8 high
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)