CVE-2026-12927

HIGH

Schneider Electric Igss Definition (Def.exe) - Out-of-bounds Write

Title source: rule

Description

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.

References (1)

Core 1

Core References

https://download.se.com/files?p_Doc_Ref=SEVD-2026-195-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2026-195-01.pdf

Scores

CVSS v4 8.4

EPSS 0.0020

EPSS Percentile 10.2%

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-787

Status published

Products (1)

Schneider Electric/IGSS Definition (Def.exe) Version 18.0.0.26124 and prior

Published Jul 29, 2026

Tracked Since Jul 29, 2026