{"cve":"CVE-2017-20226","nvd":{"published":"2026-03-28T12:16:01.810","modified":"2026-06-17T01:15:27.313","status":"Deferred","description":"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.","cvss_v4":{"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","score":8.6},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.4},"cwes":["CWE-787"],"references":["http://ccross.msk.su","https://www.exploit-db.com/exploits/42144","https://www.vulncheck.com/advisories/mapscrn-stack-based-buffer-overflow"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:28:18.033120106+00:00"},"epss":{"cve":"CVE-2017-20226","score":0.00152,"percentile":0.04364,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}