CVE-2017-20226CWE-787

Mapscrn 2.0.3 Stack-Based Buffer Overflow

High · published March 28, 2026

CVSS v4.0
8.6
EPSS
0%
Percentile
3.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.6 · HIGH
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00150 · 3.8th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-03-28T11:58Z
EPSS history
Timeline
  • 28 MAR 11:58Z
    Mapscrn 2.0.3 Stack-Based Buffer Overflow
    cvelistv5