Buffer overflow in Schneider Electric Igss Definition (Def.exe)

CVE-2026-12927

CWE-787 Out-of-bounds write vulnerability exists that could cause loss of data or potentially risk arbitrary code execution when a malicious CGF file is imported to IGSS Definition.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (5.5th percentile) — read the EPSS interpretation.