CVE-2017-20226: Msk Mapscrn

High severity, CVSS 8.4. EPSS: 0.2% chance of exploitation in the next 30 days.

Mapscrn 2.0.3 contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized input buffer. Attackers can craft a malicious buffer with junk data, return address, NOP instructions, and shellcode to overflow the stack and achieve code execution or denial of service.

Affected products

• Msk Mapscrn: version 2.03 only

Published 2026-03-28. Last modified 2026-06-17.