Skip to content
Schneider ElectricCVE-2026-12927

Schneider Electric IGSS Definition (Def.exe): out-of-bounds write

High8.4CVE-2026-12927 · Published Jul 29, 2026 · updated Jul 30, 2026

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.

Schneider Electric advisory

Affected versions

PackageAffectedFixed in
IGSS Definition (Def.exe)
Product
<= Version 18.0.0.26124 and priorNo fix yet
Details and references
CVSS 4.0
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
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-787

More Schneider Electric advisories

All Schneider Electric
Advisory
Schneider Electric PowerChute Serial Shutdown: no brute-force limit
Medium6.9Sep 1
Schneider Electric NetBotz 5 - 750/755: SQL injection
Medium5.1Sep 1
Schneider Electric NetBotz 5 - 750/755: command injection
High7.3Sep 1
Schneider Electric EcoStruxure: denial of service
High8.2Sep 1
Schneider Electric EcoStruxure Cybersecurity Admin Expert: authentication bypass
High8.7Jul 29
Schneider Electric RemoteConnect: code execution
Critical9.3Jul 29

Critical advisories by email

Wednesdays: the week’s critical and high advisories in the AI and data stack, with the fixed versions. Only in weeks that have some.

Double opt-in. Unsubscribe any time.