CVE-2026-39199

LOW

Snes9X - Out-of-bounds Write

Title source: rule
STIX 2.1

Description

snes9x 1.63 allows an out-of-bounds write and denial of service via a crafted .ups file.

Scores

CVSS v3 2.9
EPSS 0.0012
EPSS Percentile 2.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (1)
Snes9X team/Snes9X 1.63
Published Jun 17, 2026
Tracked Since Jun 17, 2026